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    تمرين الكيمياء (7 نقط)

    حمض الإيثانويك C H 3 COOH MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaam4qaiaadI eadaWgaaWcbaGaaG4maaqabaGccaWGdbGaam4taiaad+eacaWGibaa aa@3BBC@  حمض كربوكسيلي، سائل عديم اللون، أكال و ذو رائحة نفاذة، ويستخدم بتراكيز مختلفة في صناعة العطور و المذيبات و التحضيرات الصيدلية و في صناعة الأغدية تحت الرمز E260 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamyraiaaik dacaaI2aGaaGimaaaa@38F7@  بوصفه منظما للحموضة.

    يهدف هذا التمرين إلى تحديد ثابتة الحمضية للمزدوجة C H 3 COO H (aq) /C H 3 CO O (aq) MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaam4qaiaadI eadaWgaaWcbaGaaG4maaqabaGccaWGdbGaam4taiaad+eacaWGibWa aSbaaSqaaiaacIcacaWGHbGaamyCaiaacMcaaeqaaOGaai4laiaado eacaWGibWaaSbaaSqaaiaaiodaaeqaaOGaam4qaiaad+eacaWGpbWa a0baaSqaaiaacIcacaWGHbGaamyCaiaacMcaaeaacqGHsislaaaaaa@4921@   و تصنيع إستر ذو نكهة الموز انطلاقا من حمض الإيثانويك.

                                   الجزءان 1 و 2 مستقلان

    الجزء 1: دراسة المحلول المائي لحمض الإيتانويك

    توجد في مختبر مادة الفيزياء و الكيمياء بإحدى الثانويات التأهيلية قنينة لمحلول مائي ( S A ) MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaaiikaiaado fadaWgaaWcbaGaamyqaaqabaGccaGGPaaaaa@3924@  لحمض الإيثانويك تركيزه المولي C A MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaam4qamaaBa aaleaacaWGbbaabeaaaaa@37B1@  غير معروف لتحديد قيمة C A MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaam4qamaaBa aaleaacaWGbbaabeaaaaa@37B1@  قام محضر المختبر بمعايرة الحجم V A =20,0mL MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamOvamaaBa aaleaacaWGbbaabeaakiabg2da9iaaikdacaaIWaGaaiilaiaaicda caWGTbGaamitaaaa@3D77@  من المحلول ( S A ) MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaaiikaiaado fadaWgaaWcbaGaamyqaaqabaGccaGGPaaaaa@3924@  بواسطة ﻣﺤﻠﻮل ﻣﺎﺋﻲ ( S B ) MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaaiikaiaado fadaWgaaWcbaGaamOqaaqabaGccaGGPaaaaa@3925@ لهيدوكسيد اﻟﺼﻮدﯾﻮم

    N a (aq) + +H O (aq) MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamOtaiaadg gadaqhaaWcbaGaaiikaiaadggacaWGXbGaaiykaaqaaiabgUcaRaaa kiabgUcaRiaadIeacaWGpbWaa0baaSqaaiaacIcacaWGHbGaamyCai aacMcaaeaacqGHsislaaaaaa@42D0@  ﺗﺮﻛﯿﺰه اﻟﻤﻮﻟﻲ C B = 1,0.10 2 mol L 1 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaam4qamaaBa aaleaacaWGcbaabeaakiabg2da9iaaigdacaGGSaGaaGimaiaac6ca caaIXaGaaGimamaaCaaaleqabaGaeyOeI0IaaGOmaaaakiaad2gaca WGVbGaamiBaiaadYeadaahaaWcbeqaaiabgkHiTiaaigdaaaaaaa@446B@  مستعملا العدة التجريبية اﻟﻤﻤﺜﻠﺔ ﻓﻲ اﻟﺸﻜﻞ (1)

    يمثل منحنى الشكل (2) تغيرات pH MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamiCaiaadI eaaaa@37B9@    اﻟﺨﻠﯿﻂ ﺑﺪﻻﻟﺔ الحجم V B MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamOvamaaBa aaleaacaWGcbaabeaaaaa@37C5@  للمحلول ( S B ) MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaaiikaiaado fadaWgaaWcbaGaamOqaaqabaGccaGGPaaaaa@3925@  المضاف.

    1 -  أﻋﻂ أﺳﻤﺎء المكوﻧﺎت اﻟﺘﻲ ﺗﺸﯿﺮ إﻟﯿﮭﺎ اﻷرﻗﺎم اﻟﻤﺒﯿﻨﺔ ﻋﻠﻰ ﺗﺒﯿﺎﻧﺔ الشكل (1).

    2 -  اُﻛﺘﺐ ﻣﻌﺎدﻟﺔ اﻟﺘﻔﺎﻋﻞ اﻟﺤﺎﺻﻞ أﺛﻨﺎء اﻟﻤﻌﺎﯾﺮة واﻟﺬي ﻧﻌﺘﺒﺮه ﻛﻠﯿﺎ.

    3 - ﻋﯿﻦ ﻣﺒﯿﺎﻧﯿﺎ ﻗﯿﻤﺘﻲ V B.E MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamOvamaaBa aaleaacaWGcbGaaiOlaiaadweaaeqaaaaa@3941@  و p H E MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamiCaiaadI eadaWgaaWcbaGaamyraaqabaaaaa@38AF@  ﺣﺪاﺛﯿﺘﻲ ﻧﻘﻄﺔ اﻟﺘﻜﺎﻓﺆ.

    4 -  تحقق أن قيمة C A MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaam4qamaaBa aaleaacaWGbbaabeaaaaa@37B1@    اﻟﻤﺤﺼﻞ ﻋﻠﯿﮭﺎ ﻣﻦ طﺮف اﻟﻤﺤﻀﺮ ھﻲ : C A = 1,0.10 2 mol L 1 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaam4qamaaBa aaleaacaWGbbaabeaakiabg2da9iaaigdacaGGSaGaaGimaiaac6ca caaIXaGaaGimamaaCaaaleqabaGaeyOeI0IaaGOmaaaakiaad2gaca WGVbGaamiBaiaadYeadaahaaWcbeqaaiabgkHiTiaaigdaaaaaaa@446A@  .

    5 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbgjxD0L 2zLjhimrfibjxyIL2yGutnGi1BTfMBaeXatLxBI9gBaerbd9wDYLwz YbItLDharuavP1wzZbItLDhis9wBH5garqqtubsr4rNCHbGeaGGipv 0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9 pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaae GaciGaaiaabeqaamaaeaqbaaGcbaacbeqcLbCaqaaaaaaaaaWdbiaa =nbiaaa@4150@  من بين الكواشف الملونة الواردة في الجدول الأتي  حدد معلل جوابك الكاشف الملون الملائم لإنجازهذه المعايرة.

     

    6 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbgjxD0L 2zLjhimrfibjxyIL2yGutnGi1BTfMBaeXatLxBI9gBaerbd9wDYLwz YbItLDharuavP1wzZbItLDhis9wBH5garqqtubsr4rNCHbGeaGGipv 0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9 pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaae GaciGaaiaabeqaamaaeaqbaaGcbaacbeqcLbCaqaaaaaaaaaWdbiaa =nbiaaa@4150@  يبين منحنى الشكل (2) في حالة V B =0 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamOvamaaBa aaleaacaWGcbaabeaakiabg2da9iaaicdaaaa@398F@  أن قيمة pH MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamiCaiaadI eaaaa@37B9@  المحلول المائي ( S A ) MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaaiikaiaado fadaWgaaWcbaGaamyqaaqabaGccaGGPaaaaa@3924@  لحمض الإيثانويك ذي الحجم V A MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamOvamaaBa aaleaacaWGbbaabeaaaaa@37C4@  و التركيز المولي C A = 1,0.10 2 mol L 1 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaam4qamaaBa aaleaacaWGbbaabeaakiabg2da9iaaigdacaGGSaGaaGimaiaac6ca caaIXaGaaGimamaaCaaaleqabaGaeyOeI0IaaGOmaaaakiaad2gaca WGVbGaamiBaiaadYeadaahaaWcbeqaaiabgkHiTiaaigdaaaaaaa@446A@  هي pH=3,4 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamiCaiaadI eacqGH9aqpcaaIZaGaaiilaiaaisdaaaa@3AEA@  .

    6 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbgjxD0L 2zLjhimrfibjxyIL2yGutnGi1BTfMBaeXatLxBI9gBaerbd9wDYLwz YbItLDharuavP1wzZbItLDhis9wBH5garqqtubsr4rNCHbGeaGGipv 0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9 pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaae GaciGaaiaabeqaamaaeaqbaaGcbaacbaqcLbCaqaaaaaaaaaWdbiaa =nbiaaa@414F@  1 أنقل الجدول الوصفي أسفله إلى ورقة تحريرك و أتممه.

     

    6 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbgjxD0L 2zLjhimrfibjxyIL2yGutnGi1BTfMBaeXatLxBI9gBaerbd9wDYLwz YbItLDharuavP1wzZbItLDhis9wBH5garqqtubsr4rNCHbGeaGGipv 0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9 pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaae GaciGaaiaabeqaamaaeaqbaaGcbaacbaqcLbCaqaaaaaaaaaWdbiaa =nbiaaa@414F@  2 أوﺟﺪ ﻗﯿﻤﺔ Q r,éq MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamyuamaaBa aaleaacaWGYbGaaiilaiaadMoacaWGXbaabeaaaaa@3B04@  خارج التفاعل عند حالة توازن المجموعة الكيميائية. استنتج قيمة K A MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaam4samaaBa aaleaacaWGbbaabeaaaaa@37B9@  ثابتة الحمضية للمزدوجة (C H 3 COO H (aq) /C H 3 CO O (aq) ) MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaaiikaiaado eacaWGibWaaSbaaSqaaiaaiodaaeqaaOGaam4qaiaad+eacaWGpbGa amisamaaBaaaleaacaGGOaGaamyyaiaadghacaGGPaaabeaakiaac+ cacaWGdbGaamisamaaBaaaleaacaaIZaaabeaakiaadoeacaWGpbGa am4tamaaDaaaleaacaGGOaGaamyyaiaadghacaGGPaaabaGaeyOeI0 caaOGaaiykaaaa@4A84@  

     

    الجزء 2: ﺗﺼﻨﯿﻊ ﻧﻜﮭﺔ اﻟﻤﻮز

    نكهة اﻟﻤﻮز ﻧﺎﺗﺠﺔ ﻋﻦ ﻣﺮﻛﺐ ﻛﯿﻤﯿﺎﺋﻲ ﯾُﺴﺘﺨﺮج طﺒﯿﻌﯿﺎ ﻣﻦ اﻟﻤﻮز أو ﻋﻦ طﺮﯾﻖ اﻟﺘﺼﻨﯿﻊ. ﯾُﺼﻨﻊ إﯾﺜﺎﻧﻮات اﻟﺒﻮﺗﯿﻞ  المميز لهذه النكهة انطلاقا من حمض الإيثانويك C H 3 COOH MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaam4qaiaadI eadaWgaaWcbaGaaG4maaqabaGccaWGdbGaam4taiaad+eacaWGibaa aa@3BBC@  و البوتان -1-أول C 4 H 9 OH MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaam4qamaaBa aaleaacaaI0aaabeaakiaadIeadaWgaaWcbaGaaGyoaaqabaGccaWG pbGaamisaaaa@3B1A@  .

    ﻹﻧﺠﺎز ھﺬا اﻟﺘﺼﻨﯿﻊ نستعمل  ﺗﺮﻛﯿﺐ اﻟﺘﺴﺨﯿﻦ ﺑﺎﻻ رتداد حيث ندخل في حوجلة التركيب التجريبي n 1 =0,1mol MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamOBamaaBa aaleaacaaIXaaabeaakiabg2da9iaaicdacaGGSaGaaGymaiaaykW7 caWGTbGaam4BaiaadYgaaaa@3F68@  من حمض الإيثانويك و n 2 =0,1mol MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamOBamaaBa aaleaacaaIYaaabeaakiabg2da9iaaicdacaGGSaGaaGymaiaaykW7 caWGTbGaam4BaiaadYgaaaa@3F69@  من البوتان -1-أول  و قطرات من حمض الكبريتيك وحصى الخفان. عند الحالة النهائية للمجموعة الكيميائية تكون قيمة التقدم النهائي للتفاعل هي x f = 6,67.10 2 mol MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamiEamaaBa aaleaacaWGMbaabeaakiabg2da9iaaiAdacaGGSaGaaGOnaiaaiEda caGGUaGaaGymaiaaicdadaahaaWcbeqaaiabgkHiTiaaikdaaaGcca WGTbGaam4BaiaadYgaaaa@42EA@  

    1 -  اُﻛﺘﺐ، ﻣﺴﺘﻌﻤﻼ اﻟﺼﯿﻎ ﻧﺼﻒ اﻟﻤﻨﺸﻮرة، اﻟﻤﻌﺎدﻟﺔ اﻟﻜﯿﻤﯿﺎﺋﯿﺔ اﻟﻤﻨﻤﺬﺟﺔ ﻟﻠﺘﺤﻮل اﻟﺤﺎﺻﻞ.

    2 - ﺳﻢ ھﺬا اﻟﺘﻔﺎﻋﻞ وأﻋﻂ ﻣﻤﯿﺰﺗية

    3 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbgjxD0L 2zLjhimrfibjxyIL2yGutnGi1BTfMBaeXatLxBI9gBaerbd9wDYLwz YbItLDharuavP1wzZbItLDhis9wBH5garqqtubsr4rNCHbGeaGGipv 0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9 pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaae GaciGaaiaabeqaamaaeaqbaaGcbaacbeqcLbCaqaaaaaaaaaWdbiaa =nbiaaa@4150@  حدد قيمة K MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaam4saaaa@36C7@  ﺑﺘﺔ اﻟﺘﻮازن اﻟﻤﻘﺮوﻧﺔ ﺑﮭﺬا اﻟﺘﻔﺎﻋﻞ

    4 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbgjxD0L 2zLjhimrfibjxyIL2yGutnGi1BTfMBaeXatLxBI9gBaerbd9wDYLwz YbItLDharuavP1wzZbItLDhis9wBH5garqqtubsr4rNCHbGeaGGipv 0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9 pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaae GaciGaaiaabeqaamaaeaqbaaGcbaacbeqcLbCaqaaaaaaaaaWdbiaa =nbiaaa@4150@  أوجد قيمة r MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamOCaaaa@36EE@  دود ھﺬا اﻟﺘﺼﻨﯿﻊ.

    5 - اﻗﺘﺮح طﺮﯾﻘﺘﯿﻦ لتحسين ﻣﺮدود ھﺬا اﻟﺘﺼﻨﯿﻊ ﺑﺎﺳﺘﻌﻤﺎل ﻧﻔﺲ اﻟﻤﺘﻔﺎﻋﻠﯿﻦ.

    الفيزياء (13 نقطة)

     تمرين الموجات (3 نقط)

    ﺗﺨﻀﻊ اﻟﻤﻮﺟﺎت اﻟﻤﯿﻜﺎﻧﯿﻜﯿﺔ واﻟﻤﻮﺟﺎت اﻟﻀﻮﺋﯿﺔ ﻟﻈﺎھﺮة اﻻﻧﺘﺸﺎر اﻟﺘﻲ ﺗﺘﻢ ﺑﺴﺮﻋﺔ  V MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamOvaaaa@36D2@   ﺣﯿﺚ  Vc MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamOvaiabgs MiJkaadogaaaa@396F@   ﻣﻊ c MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaam4yaaaa@36DF@   ﺳﺮﻋﺔ  اﻧﺘﺸﺎر اﻟﻀﻮء ﻓﻲ اﻟﻔﺮاغ. ﯾﺘﻄﻠﺐ اﻻﻧﺘﺸﺎر وﺟﻮد اﻟﻔﺮاغ أو أوﺳﺎط ﻣﺎدﯾﺔ أﺣﺎدﯾﺔ أو ﺛﻨﺎﺋﯿﺔ أو ﺛﻼﺛﯿﺔ اﻟﺒﻌﺪ، وﯾﺆدي ﻓﻲ ظﺮوف ﻣﻌﯿﻨﺔ إﻟﻰ ﺑﺮوز ظﻮاھﺮ ﻓﯿﺰﯾﺎﺋﯿﺔ ﻣﺜﻞ اﻟﺤﯿﻮد واﻟﺘﺒﺪد...

    1 - انتشار ﻣﻮﺟﺔ ﻣﯿﻜﺎﻧﯿﻜﯿﺔ

    1 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbgjxD0L 2zLjhimrfibjxyIL2yGutnGi1BTfMBaeXatLxBI9gBaerbd9wDYLwz YbItLDharuavP1wzZbItLDhis9wBH5garqqtubsr4rNCHbGeaGGipv 0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9 pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaae GaciGaaiaabeqaamaaeaqbaaGcbaacbaqcLbCaqaaaaaaaaaWdbiaa =nbiaaa@414F@  1 اِﺧﺘﺮ ﻛﻞ ﺟﻮاب ﺻﺤﯿﺢ ﻣﻦ ﺑﯿﻦ ﻣﺎ ﯾﺄﺗﻲ:

    أ MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbgjxD0L 2zLjhimrfibjxyIL2yGutnGi1BTfMBaeXatLxBI9gBaerbd9wDYLwz YbItLDharuavP1wzZbItLDhis9wBH5garqqtubsr4rNCHbGeaGGipv 0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9 pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaae GaciGaaiaabeqaamaaeaqbaaGcbaacbaqcLbCaqaaaaaaaaaWdbiaa =nbiaaa@414F@  الموجة الصوتية موجة طولية

    ب MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbgjxD0L 2zLjhimrfibjxyIL2yGutnGi1BTfMBaeXatLxBI9gBaerbd9wDYLwz YbItLDharuavP1wzZbItLDhis9wBH5garqqtubsr4rNCHbGeaGGipv 0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9 pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaae GaciGaaiaabeqaamaaeaqbaaGcbaacbaqcLbCaqaaaaaaaaaWdbiaa =nbiaaa@414F@  تنتشر الموجة الصوتية في الفراغ.

    ج MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbgjxD0L 2zLjhimrfibjxyIL2yGutnGi1BTfMBaeXatLxBI9gBaerbd9wDYLwz YbItLDharuavP1wzZbItLDhis9wBH5garqqtubsr4rNCHbGeaGGipv 0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9 pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaae GaciGaaiaabeqaamaaeaqbaaGcbaacbaqcLbCaqaaaaaaaaaWdbiaa =nbiaaa@414F@  تنتشر الموجة الصوتية  في وسط ثلاثي البعد

    د MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbgjxD0L 2zLjhimrfibjxyIL2yGutnGi1BTfMBaeXatLxBI9gBaerbd9wDYLwz YbItLDharuavP1wzZbItLDhis9wBH5garqqtubsr4rNCHbGeaGGipv 0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9 pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaae GaciGaaiaabeqaamaaeaqbaaGcbaacbaqcLbCaqaaaaaaaaaWdbiaa =nbiaaa@414F@ تنتشر الموجة الصوتية بسرعة الضوء

    1 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbgjxD0L 2zLjhimrfibjxyIL2yGutnGi1BTfMBaeXatLxBI9gBaerbd9wDYLwz YbItLDharuavP1wzZbItLDhis9wBH5garqqtubsr4rNCHbGeaGGipv 0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9 pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaae GaciGaaiaabeqaamaaeaqbaaGcbaacbaqcLbCaqaaaaaaaaaWdbiaa =nbiaaa@414F@  2 نحدث طول حبل موجة ميكانيكية متوالية جيبية

    يمثل الشكل جانبه بالسلم الحقيقي مظهر الحبل عند اللحظتين t 1 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamiDamaaBa aaleaacaaIXaaabeaaaaa@37D7@  و t 2 = t 1 +0,04s MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamiDamaaBa aaleaacaaIYaaabeaakiabg2da9iaadshadaWgaaWcbaGaaGymaaqa baGccqGHRaWkcaaIWaGaaiilaiaaicdacaaI0aGaam4Caaaa@3F8E@  حيث يمثل F MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamOraaaa@36C2@  مطلع الموجة .

    اعتمادا على هذا الشكل :

    أ MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbgjxD0L 2zLjhimrfibjxyIL2yGutnGi1BTfMBaeXatLxBI9gBaerbd9wDYLwz YbItLDharuavP1wzZbItLDhis9wBH5garqqtubsr4rNCHbGeaGGipv 0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9 pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaae GaciGaaiaabeqaamaaeaqbaaGcbaacbaqcLbCaqaaaaaaaaaWdbiaa =nbiaaa@414F@  عين قيمة λ MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaeq4UdWgaaa@37AB@  طول الموجة

    ب MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbgjxD0L 2zLjhimrfibjxyIL2yGutnGi1BTfMBaeXatLxBI9gBaerbd9wDYLwz YbItLDharuavP1wzZbItLDhis9wBH5garqqtubsr4rNCHbGeaGGipv 0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9 pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaae GaciGaaiaabeqaamaaeaqbaaGcbaacbaqcLbCaqaaaaaaaaaWdbiaa =nbiaaa@414F@  احسب قيمة V MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamOvaaaa@36D2@  سرعة انتشار الموجة.

    ج MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbgjxD0L 2zLjhimrfibjxyIL2yGutnGi1BTfMBaeXatLxBI9gBaerbd9wDYLwz YbItLDharuavP1wzZbItLDhis9wBH5garqqtubsr4rNCHbGeaGGipv 0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9 pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaae GaciGaaiaabeqaamaaeaqbaaGcbaacbaqcLbCaqaaaaaaaaaWdbiaa =nbiaaa@414F@  حدد قيمة T MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamivaaaa@36D0@  دور الموجة.

    1 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbgjxD0L 2zLjhimrfibjxyIL2yGutnGi1BTfMBaeXatLxBI9gBaerbd9wDYLwz YbItLDharuavP1wzZbItLDhis9wBH5garqqtubsr4rNCHbGeaGGipv 0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9 pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaae GaciGaaiaabeqaamaaeaqbaaGcbaacbaqcLbCaqaaaaaaaaaWdbiaa =nbiaaa@414F@  3 نعتبر النقطتين A MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamyqaaaa@36BD@  و B MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamOqaaaa@36BE@  من الحبل (انظر الشكل). حدد قيمة τ MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaeqiXdqhaaa@37BC@  التأخر الزمني لحركة النقطة B MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamOqaaaa@36BE@  بالنسبة لحركة النقطة A MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamyqaaaa@36BD@  .

    2- اﻧﺘﺸﺎر ﻣﻮﺟﺔ ﺿﻮﺋية

    ﺗﻤﺖ إﺿﺎءة ﺷﻖ ﻋﺮضه a MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamyyaaaa@36DD@  ﺑﻮاﺳﻄﺔ ﺣﺰﻣﺔ ﺿﻮﺋﯿﺔ أﺣﺎدﯾﺔ اللون منبعثة  ﻣﻦ ﺟﮭﺎز ﻻزر، طﻮل موجتها λ MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaeq4UdWgaaa@37AB@  في اﻟﮭﻮاء. ﯾﻼﺣﻆ ﻋﻠﻰ ﺷﺎﺷﺔ ﺗﻮﺟﺪ ﻋﻠﻰ اﻟﻤسافة D MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamiraaaa@36C0@  من الشق  تكون بقع ضوئية تبرز حدوث ظاهرة الحيود. عرض البقعة المركزية هو L MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamitaaaa@36C8@  و يعبر عنه بالعلاقة L= 2λD a MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamitaiabg2 da9maalaaabaGaaGOmaiabeU7aSjaadseaaeaacaWGHbaaaaaa@3BFD@  .

    2 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbgjxD0L 2zLjhimrfibjxyIL2yGutnGi1BTfMBaeXatLxBI9gBaerbd9wDYLwz YbItLDharuavP1wzZbItLDhis9wBH5garqqtubsr4rNCHbGeaGGipv 0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9 pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaae GaciGaaiaabeqaamaaeaqbaaGcbaacbaqcLbCaqaaaaaaaaaWdbiaa =nbiaaa@414F@  1 أية طبيعة للضوء تبرزها ظاهرة الحيود؟

    2 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbgjxD0L 2zLjhimrfibjxyIL2yGutnGi1BTfMBaeXatLxBI9gBaerbd9wDYLwz YbItLDharuavP1wzZbItLDhis9wBH5garqqtubsr4rNCHbGeaGGipv 0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9 pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaae GaciGaaiaabeqaamaaeaqbaaGcbaacbaqcLbCaqaaaaaaaaaWdbiaa =nbiaaa@414F@  2 ﻋﻨﺪ اﺳﺘﻌﻤﺎل اﻟﻀﻮء ذي طﻮل اﻟﻤﻮﺟﺔ  λ=400nm MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaeq4UdWMaey ypa0JaaGinaiaaicdacaaIWaGaamOBaiaad2gaaaa@3CC8@  يكون عرض البقعة المركزية هو L=1,7cm MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamitaiabg2 da9iaaigdacaGGSaGaaG4naiaadogacaWGTbaaaa@3BD4@   و في حالة ضوء طول موجته λ' MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaeq4UdWMaai 4jaaaa@3856@  يكون عرض البقعة المركزية هو L'=3,4cm MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamitaiaacE cacqGH9aqpcaaIZaGaaiilaiaaisdacaGGJbGaaiyBaaaa@3C7C@  

    أوجد قيمة λ' MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaeq4UdWMaai 4jaaaa@3856@ .

    تمرين الكهرباء (5 نقط)

    ﺗﺤﺪﯾﺪ اﻟﻤﻘﺎدﯾﺮ اﻟﻤﻤﯿﺰة ﻟﻤﻜﺜﻒ ووشيعة

    ﺗﺤﺘﻮي ﻣﺠﻤﻮﻋﺔ ﻣﻦ اﻷﺟﮭﺰة اﻹﻟﻜﺘﺮوﻧﯿﺔ ﻋﻠﻰ ﺗﺮاﻛﯿﺐ ﺗﻀﻢ ﻣﺮﻛﺒﺎت ﻣﻦ ﺑﯿﻨﮭﺎ ﻣﻜﺜﻔﺎت ووﺷﯿﻌﺎت وﻣﻮﺻﻼت أوﻣﯿﺔ.

    ﺘﻠﻒ ﺗﺼﺮف ھﺬه اﻟﻤﺮﻛﺒﺎت ﺣﺴﺐ ﺗﺠﻤﯿﻌﮭﺎ ﻟﺘﺆدي وظﺎﺋﻒ ﻣﺨﺘﻠﻔﺔ ﺣﺴﺐ ﻣﺠﺎﻻت اﻻﺳﺘﻌﻤﺎل.

    أﺧﺬ أﺳﺘﺎذ ﻣﻜﺜﻔﺎ ووﺷﯿﻌﺔ ﻣﻦ ﺻﻔﯿﺤﺔ إﻟﻜﺘﺮوﻧﯿﺔ ﻟﺠﮭﺎز ﻣُﻌﻄﻞ ﻗﺼﺪ اﺳﺘﻌﻤﺎﻟﮭﻤﺎ ﻓﻲ دراﺳﺔ ﺷﺤﻦ ﻣﻜﺜﻒ ودراﺳﺔ اﻟﺘﺬﺑﺬﺑﺎت اﻟﻜﮭﺮﺑﺎﺋﯿﺔ، اﻟﺸﻲء اﻟﺬي ﺗﻄﻠﺐ منه ﺗﺤﺪﯾﺪ اﻟﻤﻘﺎدﯾﺮ اﻟﻤﻤﯿﺰة ﻟﮭﺎ. 

     

    الجزء الأول: تحديد المقدار المميز للمكثف

    أﻧﺠﺰ اﻷﺳﺘﺎذ ﻓﻲ اﻟﻤﺨﺘﺒﺮ اﻟﺘﺮﻛﯿﺐ اﻟﻤﻤﺜﻞ ﻓﻲ اﻟﺸﻜﻞ (1) والمكون من

    - مولد ﻣﺆﻣﺜﻞ ﻟﻠﺘﯿﺎر ﯾﺰود اﻟﺪارة ﺑﺘﯿﺎر ﻛﮭﺮﺑﺎﺋﻲ ﺷﺪته I 0 =10µA MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamysamaaBa aaleaacaaIWaaabeaakiabg2da9iaaigdacaaIWaGaamyTaiaadgea aaa@3C30@  

    - مكثف سعته C MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaam4qaaaa@36BF@  

    - موصل أومي مقاومته R MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamOuaaaa@36CE@  قابلة للضبط

    - قاطع التيار K MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaam4saaaa@36C7@  قابل للتأريخ بين الموضعين (1) و (2).

    1 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbgjxD0L 2zLjhimrfibjxyIL2yGutnGi1BTfMBaeXatLxBI9gBaerbd9wDYLwz YbItLDharuavP1wzZbItLDhis9wBH5garqqtubsr4rNCHbGeaGGipv 0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9 pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaae GaciGaaiaabeqaamaaeaqbaaGcbaacbeqcLbCaqaaaaaaaaaWdbiaa =nbiaaa@4150@  عند اللحظة t 0 =0 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamiDamaaBa aaleaacaaIWaaabeaakiabg2da9iaaicdaaaa@39A0@  وضع الأستاذ قاطع التيار في الموضع (1)، ثم قاس ﺑﻮاﺳﻄﺔ ﺟﮭﺎز ﻣﺘﻌﺪد  اﻟﻘﯿﺎﺳﺎت التوتر U 1 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamyvamaaBa aaleaacaaIXaaabeaaaaa@37B8@   ﺑﯿﻦ ﻣﺮﺑﻄﻲ اﻟﻤﻜﺜﻒ  عند اللحظة t 1 =10s MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamiDamaaBa aaleaacaaIXaaabeaakiabg2da9iaaigdacaaIWaGaam4Caaaa@3B54@  فوجد القيمة U 1 =10V MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamyvamaaBa aaleaacaaIXaaabeaakiabg2da9iaaigdacaaIWaGaamOvaaaa@3B18@ .

    ﺗﺤﻘﻖ أن ﻗﯿﻤﺔ اﻟﻤﻘﺪار اﻟﻤﻤﯿﺰ للمكثف هي C=10µF MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaam4qaiabg2 da9iaaigdacaaIWaGaamyTaiaadAeaaaa@3B3F@ .

    2 - ﻋﻨﺪﻣﺎ أﺻﺒﺤﺖ ﻗﯿﻤﺔ اﻟﺘﻮﺗﺮ ﺑﯿﻦ ﻣﺮﺑﻄﻲ اﻟﻤﻜﺜﻒ ھﻲ U 1 =10V MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamyvamaaBa aaleaacaaIXaaabeaakiabg2da9iaaigdacaaIWaGaamOvaaaa@3B18@  أرﺟﺢ اﻷﺳﺘﺎذ ﻗﺎطﻊ اﻟﺘﯿﺎر إﻟﻰ اﻟﻤﻮﺿﻊ (2).

    2- 1 . أﺛﺒﺖ اﻟﻤﻌﺎدﻟﺔ اﻟﺘﻔﺎﺿﻠﯿﺔ اﻟﺘﻲ ﯾﺤققها التوتر u C (t) MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamyDamaaBa aaleaacaWGdbaabeaakiaacIcacaWG0bGaaiykaaaa@3A41@  بين مربطي المكثف أثناء عملية التفريغ.

    2 -2 حل المعادلة التفاضلية هو u C (t)= U 1 . e t τ MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamyDamaaBa aaleaacaWGdbaabeaakiaacIcacaWG0bGaaiykaiabg2da9iaacwfa daWgaaWcbaGaaGymaaqabaGccaGGUaGaamyzamaaCaaaleqabaGaey OeI0YaaSaaaeaacaWG0baabaGaeqiXdqhaaaaaaaa@4295@ . أوجد تعبير τ MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaeqiXdqhaaa@37BC@  بدلالة بارمترات الدارة.

    2 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbgjxD0L 2zLjhimrfibjxyIL2yGutnGi1BTfMBaeXatLxBI9gBaerbd9wDYLwz YbItLDharuavP1wzZbItLDhis9wBH5garqqtubsr4rNCHbGeaGGipv 0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9 pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaae GaciGaaiaabeqaamaaeaqbaaGcbaacbaqcLbCaqaaaaaaaaaWdbiaa =nbiaaa@414F@  3  تمثل منحنيات الشكل (2) تغيرات التوتر u C (t) MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamyDamaaBa aaleaacaWGdbaabeaakiaacIcacaWG0bGaaiykaaaa@3A41@  بالنسبة لقيم مختلفة R 1 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamOuamaaBa aaleaacaaIXaaabeaaaaa@37B5@   و R 2 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamOuamaaBa aaleaacaaIYaaabeaaaaa@37B6@  و R 3 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamOuamaaBa aaleaacaaIZaaabeaaaaa@37B7@  للمقاومة R MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamOuaaaa@36CE@  .

    أ MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbgjxD0L 2zLjhimrfibjxyIL2yGutnGi1BTfMBaeXatLxBI9gBaerbd9wDYLwz YbItLDharuavP1wzZbItLDhis9wBH5garqqtubsr4rNCHbGeaGGipv 0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9 pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaae GaciGaaiaabeqaamaaeaqbaaGcbaacbaqcLbCaqaaaaaaaaaWdbiaa =nbiaaa@414F@  حدد قيمة المقاومة R 1 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamOuamaaBa aaleaacaaIXaaabeaaaaa@37B5@  الموافقة للمنحنى 1.

    ب -  يوافق المنحنيان  2 و 3 على التوالي القيمتين R 2 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamOuamaaBa aaleaacaaIYaaabeaaaaa@37B6@  و R 3 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamOuamaaBa aaleaacaaIZaaabeaaaaa@37B7@  لمقاومة الموصل الأومي قارن R 2 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamOuamaaBa aaleaacaaIYaaabeaaaaa@37B6@  و R 3 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamOuamaaBa aaleaacaaIZaaabeaaaaa@37B7@

     

    الجزء الثاني: تحديد اﻟﻤﻘﺪارﯾﻦ اﻟﻤﻤﯿﺰﯾﻦ ﻟﻠﻮﺷﯿﻌﺔ

     في ﺗﺠﺮﺑﺔ أوﻟﻰ ﻗﺎم اﻷﺳﺘﺎذ ﺑﻘﯿﺎس ﻣﻘﺎوﻣﺔ اﻟﻮﺷﯿﻌﺔ ﻣﺴﺘﻌﻤﻼ ﺟﮭﺎز اﻷوم ﻣﺘﺮ، ﻓﻮﺟﺪ ﻗﯿﻤﺔ ﺟﺪ ﺻﻐﯿﺮة.

     في ﺗﺠﺮﺑﺔ ﺛﺎﻧﯿﺔ ﻗﺎم اﻷﺳﺘﺎذ ﺑﺸﺤﻦ اﻟﻤﻜﺜﻒ اﻟﺴﺎﺑﻖ ﺛﻢ ﺗﻔﺮﯾﻐﮫ ﻓﻲ اﻟﻮﺷﯿﻌﺔ ذات ﻣﻌﺎﻣﻞ اﻟﺘﺤﺮﯾﺾ L MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamitaaaa@36C8@  (الشكل 3).

    1 - أﺛﺒﺖ اﻟﻤﻌﺎدﻟﺔ اﻟﺘﻔﺎﺿﻠﯿﺔ اﻟﺘﻲ ﯾﺤﻘﻘﮭﺎ التوتر u C (t) MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamyDamaaBa aaleaacaWGdbaabeaakiaacIcacaWG0bGaaiykaaaa@3A41@  بين مربطي المكثف، باعتبار مقاومة الوشيعة مهملة (r=0) MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaaiikaiaadk hacqGH9aqpcaaIWaGaaiykaaaa@3A07@ .

    2 - يمثل منحنى الشكل (4) تغيرات التوتر u C (t) MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamyDamaaBa aaleaacaWGdbaabeaakiaacIcacaWG0bGaaiykaaaa@3A41@  بين مربطي المكثف بدلالة الزمن.

    2 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbgjxD0L 2zLjhimrfibjxyIL2yGutnGi1BTfMBaeXatLxBI9gBaerbd9wDYLwz YbItLDharuavP1wzZbItLDhis9wBH5garqqtubsr4rNCHbGeaGGipv 0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9 pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaae GaciGaaiaabeqaamaaeaqbaaGcbaacbaqcLbCaqaaaaaaaaaWdbiaa =nbiaaa@414F@  1 ﻋﯿﻦ ﻣﺒﯿﺎﻧﯿﺎ قيمة T 0 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamivamaaBa aaleaacaaIWaaabeaaaaa@37B6@  الدور الخاص للتذبذبات.

    2 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbgjxD0L 2zLjhimrfibjxyIL2yGutnGi1BTfMBaeXatLxBI9gBaerbd9wDYLwz YbItLDharuavP1wzZbItLDhis9wBH5garqqtubsr4rNCHbGeaGGipv 0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9 pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaae GaciGaaiaabeqaamaaeaqbaaGcbaacbaqcLbCaqaaaaaaaaaWdbiaa =nbiaaa@414F@  2 تحقق أن قيمة L MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamitaaaa@36C8@  معامل تحريض الوشيعة هي L= 10 2 H MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamitaiabg2 da9iaaigdacaaIWaWaaWbaaSqabeaacqGHsislcaaIYaaaaOGaamis aaaa@3BF0@  (نأخذ π 2 =10 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaeqiWda3aaW baaSqabeaacaaIYaaaaOGaeyypa0JaaGymaiaaicdaaaa@3B22@  ).

    2 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbgjxD0L 2zLjhimrfibjxyIL2yGutnGi1BTfMBaeXatLxBI9gBaerbd9wDYLwz YbItLDharuavP1wzZbItLDhis9wBH5garqqtubsr4rNCHbGeaGGipv 0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9 pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaae GaciGaaiaabeqaamaaeaqbaaGcbaacbaqcLbCaqaaaaaaaaaWdbiaa =nbiaaa@414F@  3 يعبر عن الطاقة الكلية ξ MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaeqOVdGhaaa@37BA@  للدارة بالعلاقة ξ= ξ C + ξ m MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaeqOVdGNaey ypa0JaeqOVdG3aaSbaaSqaaiaadoeaaeqaaOGaey4kaSIaeqOVdG3a aSbaaSqaaiaad2gaaeqaaaaa@3F44@   حيث ξ C MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaeqOVdG3aaS baaSqaaiaadoeaaeqaaaaa@38AE@  الطاقة الكهربائية المخزونة في المكثف و ξ m MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaeqOVdG3aaS baaSqaaiaad2gaaeqaaaaa@38D8@  الطاقة المغنطيسية المخزونة في الوشيعة.

    أ MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbgjxD0L 2zLjhimrfibjxyIL2yGutnGi1BTfMBaeXatLxBI9gBaerbd9wDYLwz YbItLDharuavP1wzZbItLDhis9wBH5garqqtubsr4rNCHbGeaGGipv 0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9 pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaae GaciGaaiaabeqaamaaeaqbaaGcbaacbaqcLbCaqaaaaaaaaaWdbiaa =nbiaaa@414F@  عند اللحظة t 0 =0 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamiDamaaBa aaleaacaaIWaaabeaakiabg2da9iaaicdaaaa@39A0@  ، الطاقة الكلية ξ MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaeqOVdGhaaa@37BA@  للدارة تساوي الطاقة الكهربائية ξ C MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaeqOVdG3aaS baaSqaaiaadoeaaeqaaaaa@38AE@   المخزونة في المكثف.

    أحسب قيمة ξ MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaeqOVdGhaaa@37BA@ .

    ب MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbgjxD0L 2zLjhimrfibjxyIL2yGutnGi1BTfMBaeXatLxBI9gBaerbd9wDYLwz YbItLDharuavP1wzZbItLDhis9wBH5garqqtubsr4rNCHbGeaGGipv 0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9 pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaae GaciGaaiaabeqaamaaeaqbaaGcbaacbaqcLbCaqaaaaaaaaaWdbiaa =nbiaaa@414F@  حدد قيمة شدة التيار الكهربائي المار في الدارة عند اللحظة t 1 = 3 T 0 4 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamiDamaaBa aaleaacaaIXaaabeaakiabg2da9maalaaabaGaaG4maiaadsfadaWg aaWcbaGaaGimaaqabaaakeaacaaI0aaaaaaa@3C3B@  .

    تمرين الميكانيك (5 نقط)

    الحركة المستوية MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbgjxD0L 2zLjhimrfibjxyIL2yGutnGi1BTfMBaeXatLxBI9gBaerbd9wDYLwz YbItLDharuavP1wzZbItLDhis9wBH5garqqtubsr4rNCHbGeaGGipv 0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9 pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaae GaciGaaiaabeqaamaaeaqbaaGcbaacbeqcLbCaqaaKbGmaaaWdbiaa =nbiaaa@42A9@  المتذبذب (جسم صلب MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbgjxD0L 2zLjhimrfibjxyIL2yGutnGi1BTfMBaeXatLxBI9gBaerbd9wDYLwz YbItLDharuavP1wzZbItLDhis9wBH5garqqtubsr4rNCHbGeaGGipv 0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9 pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaae GaciGaaiaabeqaamaaeaqbaaGcbaacbeqcLbCaqaaKbGmaaaWdbiaa =nbiaaa@42A9@  نابض )

    تمكن اﻟﻤﻌﺪات اﻟﻤﻮﺟﻮدة ﻓﻲ ﻣﺨﺘﺒﺮات ﻣﺎدة اﻟﻔﯿﺰﯾﺎء واﻟﻜﯿﻤﯿﺎء ﻣﻦ أﺟﺴﺎم ﺻﻠﺒﺔ وﻧﻮاﺑﺾ وﻣﻨﻀﺪات ھﻮاﺋﯿﺔ وأدوات اﻟﺘﻜﻨﻮﻟﻮﺟﯿﺎ اﻟﺤﺪﯾﺜﺔ... ﻣﻦ إﻧﺠﺎز اﻟﺪراﺳﺔ اﻟﺘﺤﺮﯾﻜﯿﺔ واﻟﺪراﺳﺔ اﻟﻄﺎﻗﯿﺔ ﻟﺤﺮك ات أﺟﺴﺎم ﺻﻠﺒﺔ وﻣﺘﺬﺑﺬﺑﺎت، والتحقق التجريبي ﻣﻦ ﺗﺄﺛﯿﺮ ﺑﻌﺾ اﻟﺒﺮاﻣﺘﺮات ﻋﻠﻰ ھﺬه اﻟﺤﺮﻛﺎت.

    ﯾﮭﺪف ھﺬا اﻟﺘﻤﺮﯾﻦ إﻟﻰ دراﺳﺔ ﺣﺮﻛﺔ ﺟﺴﻢ ﺻﻠﺐ ﻓﻮق ﻣﺴﺘﻮى ﻣﺎﺋﻞ ودراﺳﺔ ﺣﺮﻛﺔ ﻣﺠﻤﻮﻋﺔ ﻣﺘﺬﺑﺬﺑﺔ.

    الجزء 1:  دراﺳﺔ ﺣﺮﻛﺔ ﺟﺴﻢ ﺻﻠﺐ ﻓﻮق ﻣﺴﺘﻮى ﻣﺎﺋل

    ﻧﺮﺳﻞ، ﻋﻨﺪ اﻟﻠﺤظة t 0 =0 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamiDamaaBa aaleaacaaIWaaabeaakiabg2da9iaaicdaaaa@39A0@  جسما صلبا ( S 1 ) MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaaiikaiaado fadaWgaaWcbaGaaGymaaqabaGccaGGPaaaaa@3919@  كتلته m 1 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamyBamaaBa aaleaacaaIXaaabeaaaaa@37D0@  و مركز قصوره G MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaam4raaaa@36C3@  بسرعة بدئية متجهتها v 0 = v 0 . i MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGabmODayaala WaaSbaaSqaaiaaicdaaeqaaOGaeyypa0JaamODamaaBaaaleaacaaI Waaabeaakiaac6caceWGPbGbaSaaaaa@3C97@  فينزلق بدون احتكاك على مستوى مائل بالزاوية  α MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaeqySdegaaa@3796@  بالنسبة للمستوى الأفقي (الشكل 1).

    لدراسة حركة G MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaam4raaaa@36C3@  نختار معلما ( O, i ) MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaWaaeWaaeaaca WGpbGaaiilaiqadMgagaWcaaGaayjkaiaawMcaaaaa@3A04@  مرتبطا بالأرض حيث G MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaam4raaaa@36C3@  عند اللحظة t 0 =0 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamiDamaaBa aaleaacaaIWaaabeaakiabg2da9iaaicdaaaa@39A0@  هو x G MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamiEamaaBa aaleaacaWGhbaabeaaaaa@37EC@  .

     1 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbgjxD0L 2zLjhimrfibjxyIL2yGutnGi1BTfMBaeXatLxBI9gBaerbd9wDYLwz YbItLDharuavP1wzZbItLDhis9wBH5garqqtubsr4rNCHbGeaGGipv 0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9 pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaae GaciGaaiaabeqaamaaeaqbaaGcbaacbeqcLbCaqaaaaaaaaaWdbiaa =nbiaaa@4150@  بتطبيق القانون الثاني لنيوتن ، أوجد تعبير a G MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamyyamaaBa aaleaacaWGhbaabeaaaaa@37D5@  إحداثي متجهة التسارع لحركة G MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaam4raaaa@36C3@ بدلالة α MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaeqySdegaaa@3796@  و g MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaam4zaaaa@36E3@  شدة الثقالة.

    2 -  ﻣﻜﻨﺖ اﻟﺪراﺳﺔ اﻟﺘﺠﺮﯾﺒﯿﺔ ﻟﺤﺮﻛﺔ اﻟﺠﺴم ( S 1 ) MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaaiikaiaado fadaWgaaWcbaGaaGymaaqabaGccaGGPaaaaa@3919@  من اﻟﺘﻮﺻﻞ إﻟﻰ ﺗﻌﺒﯿﺮ ﺳﺮعة G MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaam4raaaa@36C3@  بدلالة الزمن حيث:    v G (t)=5.t+4(m. s 1 ) MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamODamaaBa aaleaacaWGhbaabeaakiaacIcacaWG0bGaaiykaiabg2da9iabgkHi TiaaiwdacaGGUaGaamiDaiabgUcaRiaaisdacaaMc8UaaGPaVlaayk W7caaMc8UaaGPaVlaacIcacaWGTbGaaiOlaiaadohadaahaaWcbeqa aiabgkHiTiaaigdaaaGccaGGPaaaaa@4DCE@  

     ﺣﺪد، ﻣﻌﻠﻼ ﺟﻮاﺑﻚ، ﻗﯿﻤﺔ ﻛﻞ ﻣن v 0 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamODamaaBa aaleaacaaIWaaabeaaaaa@37D8@  و a G MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamyyamaaBa aaleaacaWGhbaabeaaaaa@37D5@  احسب قيمة α MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaeqySdegaaa@3796@  نعطي g=10m. s 2 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaam4zaiabg2 da9iaaigdacaaIWaGaaGPaVlaaykW7caWGTbGaaiOlaiaadohadaah aaWcbeqaaiabgkHiTiaaikdaaaaaaa@40E6@ .

     

    الجزء 2: دراسة حركة المتذبذب (جسم صلب MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbgjxD0L 2zLjhimrfibjxyIL2yGutnGi1BTfMBaeXatLxBI9gBaerbd9wDYLwz YbItLDharuavP1wzZbItLDhis9wBH5garqqtubsr4rNCHbGeaGGipv 0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9 pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaae GaciGaaiaabeqaamaaeaqbaaGcbaacbeqcLbCaqaaKbGmaaaWdbiaa =nbiaaa@42A9@  نابض )

     ﻧُﺜﺒﺖ الجسم الصلب ( S 1 ) MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaaiikaiaaco fadaWgaaWcbaGaaGymaaqabaGccaGGPaaaaa@3918@  السابق ذي الكتلة m 1 =0,2kg MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamyBamaaBa aaleaacaaIXaaabeaakiabg2da9iaaicdacaGGSaGaaGOmaiaadUga caWGNbaaaa@3CE2@  بطرف نابض لفاته غير متصلة و كتلته مهملة و صلابته K MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaam4saaaa@36C7@ . نحصل على متذبذب أفقي حيث ينزلق ( S 1 ) MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaaiikaiaaco fadaWgaaWcbaGaaGymaaqabaGccaGGPaaaaa@3918@  بدون احتكاك على المستوى الأفقي (الشكل 2).

    عند التوازن يكون النابض غير مشوه و أفصول مركز القصور G MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaam4raaaa@36C3@  في المعلم ( O, i ) MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaWaaeWaaeaaca WGpbGaaiilaiqadMgagaWcaaGaayjkaiaawMcaaaaa@3A04@  هو x G =0 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamiEamaaBa aaleaacaWGhbaabeaakiabg2da9iaaicdaaaa@39B6@  نزيح ( S 1 ) MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaaiikaiaaco fadaWgaaWcbaGaaGymaaqabaGccaGGPaaaaa@3918@  أفقيا عن موضع توازنه في المنحنى الموجب بالمسافة X m MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamiwamaaBa aaleaacaWGTbaabeaaaaa@37F2@  ثم نحرره بدون سرعة بدئية عند اللحظة t 0 =0 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamiDamaaBa aaleaacaaIWaaabeaakiabg2da9iaaicdaaaa@39A0@  .

    1 - أﺛﺒﺖ أن اﻟﻤﻌﺎدﻟﺔ اﻟﺘﻔﺎﺿﻠﯿﺔ اﻟﺘﻲ ﯾﺤﻘﻘﮭﺎ اﻷﻓﺼول x G MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamiEamaaBa aaleaacaWGhbaabeaaaaa@37EC@  لمركز القصور G MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaam4raaaa@36C3@  تكتب : x ¨ G + K m 1 x G =0 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGabmiEayaada WaaSbaaSqaaiaadEeaaeqaaOGaey4kaSYaaSaaaeaacaWGlbaabaGa amyBamaaBaaaleaacaaIXaaabeaaaaGccaWG4bWaaSbaaSqaaiaadE eaaeqaaOGaeyypa0JaaGimaaaa@3F64@  .

    2 - ﻧﺴﺠﻞ ﺑﻮاﺳﻄﺔ ﺟﮭﺎز ﻣﻨﺎﺳﺐ ﺣركة ( S 1 ) MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaaiikaiaaco fadaWgaaWcbaGaaGymaaqabaGccaGGPaaaaa@3918@  . ﯾﻤﺜﻞ اﻟﻤﻨﺤﻨﻰ (1) في الشكل (3) مخطط المسافات x 1G (t) MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamiEamaaBa aaleaacaaIXaGaam4raaqabaGccaGGOaGaamiDaiaacMcaaaa@3B03@  المحصل عليه.

    نعوض الجسم ( S 1 ) MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaaiikaiaaco fadaWgaaWcbaGaaGymaaqabaGccaGGPaaaaa@3918@  بجسم أخر ( S 2 ) MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaaiikaiaaco fadaWgaaWcbaGaaGOmaaqabaGccaGGPaaaaa@3919@  كتلته m 2 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamyBamaaBa aaleaacaaIYaaabeaaaaa@37D1@  مجهولة حيث m 2 > m 1 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamyBamaaBa aaleaacaaIYaaabeaakiabg6da+iaad2gadaWgaaWcbaGaaGymaaqa baaaaa@3ABC@  ، ونعيد التجربة في نفس الظروف يمثل المنحنى (2) في الشكل (3) مخطط المسافات x 2G (t) MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamiEamaaBa aaleaacaaIYaGaam4raaqabaGccaGGOaGaamiDaiaacMcaaaa@3B04@  المحصل عليه.

     

    2 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbgjxD0L 2zLjhimrfibjxyIL2yGutnGi1BTfMBaeXatLxBI9gBaerbd9wDYLwz YbItLDharuavP1wzZbItLDhis9wBH5garqqtubsr4rNCHbGeaGGipv 0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9 pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaae GaciGaaiaabeqaamaaeaqbaaGcbaacbaqcLbCaqaaaaaaaaaWdbiaa =nbiaaa@414F@  1 ﻋﯿﻦ اﻧﻄﻼﻗﺎ ﻣﻦ اﻟﻤﻨﺤﻨﯿﯿﻦ (1) و (2)  ﻗﯿﻤﺔ ﻛﻞ ﻣﻦ اﻟﺪور اﻟﺨﺎص T 01 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamivamaaBa aaleaacaaIWaGaaGymaaqabaaaaa@3871@  الموافق للكتلة m 1 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamyBamaaBa aaleaacaaIXaaabeaaaaa@37D0@  و الدور الخاص T 02 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamivamaaBa aaleaacaaIWaGaaGOmaaqabaaaaa@3872@  الموافق للكتلة m 2 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamyBamaaBa aaleaacaaIYaaabeaaaaa@37D1@  . استنتج تأثير قيمة الكتلة على الدور الخاض.

    2 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbgjxD0L 2zLjhimrfibjxyIL2yGutnGi1BTfMBaeXatLxBI9gBaerbd9wDYLwz YbItLDharuavP1wzZbItLDhis9wBH5garqqtubsr4rNCHbGeaGGipv 0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9 pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaae GaciGaaiaabeqaamaaeaqbaaGcbaacbaqcLbCaqaaaaaaaaaWdbiaa =nbiaaa@414F@  2 بين أن تعبير m 2 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamyBamaaBa aaleaacaaIYaaabeaaaaa@37D1@  يكتب: m 2 = m 1 . ( T 02 T 01 ) 2 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamyBamaaBa aaleaacaaIYaaabeaakiabg2da9iaad2gadaWgaaWcbaGaaGymaaqa baGccaGGUaWaaeWaaeaadaWcaaqaaiaadsfadaWgaaWcbaGaaGimai aaikdaaeqaaaGcbaGaamivamaaBaaaleaacaaIWaGaaGymaaqabaaa aaGccaGLOaGaayzkaaWaaWbaaSqabeaacaaIYaaaaaaa@4301@  احسب قيمة m 2 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamyBamaaBa aaleaacaaIYaaabeaaaaa@37D1@  .

    2 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbgjxD0L 2zLjhimrfibjxyIL2yGutnGi1BTfMBaeXatLxBI9gBaerbd9wDYLwz YbItLDharuavP1wzZbItLDhis9wBH5garqqtubsr4rNCHbGeaGGipv 0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9 pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaae GaciGaaiaabeqaamaaeaqbaaGcbaacbaqcLbCaqaaaaaaaaaWdbiaa =nbiaaa@414F@  3 تحقق أن قيمة صلابة النابض هي: K=12,5N. m 1 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaam4saiabg2 da9iaaigdacaaIYaGaaiilaiaaiwdacaaMc8UaamOtaiaac6cacaWG TbWaaWbaaSqabeaacqGHsislcaaIXaaaaaaa@408A@  (نأخذ π 2 =10 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaeqiWda3aaW baaSqabeaacaaIYaaaaOGaeyypa0JaaGymaiaaicdaaaa@3B22@  ).

    2 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbgjxD0L 2zLjhimrfibjxyIL2yGutnGi1BTfMBaeXatLxBI9gBaerbd9wDYLwz YbItLDharuavP1wzZbItLDhis9wBH5garqqtubsr4rNCHbGeaGGipv 0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9 pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaae GaciGaaiaabeqaamaaeaqbaaGcbaacbaqcLbCaqaaaaaaaaaWdbiaa =nbiaaa@414F@  4 أوجد شغل القوة المطبقة من طرف النابض على الجسم ( S 1 ) MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaaiikaiaado fadaWgaaWcbaGaaGymaaqabaGccaGGPaaaaa@3919@  بين اللحظتين t 0 =0 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamiDamaaBa aaleaacaaIWaaabeaakiabg2da9iaaicdaaaa@39A0@  و t 1 =1s MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamiDamaaBa aaleaacaaIXaaabeaakiabg2da9iaaigdacaWGZbaaaa@3A9A@  .