ds2tc14-15.pdf

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اﻟﺠﺪع اﻟﻤﺸﺘﺮك ﻋﻠﻮم........... اﻻﺳﻢ واﻟﻨﺴﺐ2014 - 2015 اﻟﺴﻨﺔ اﻟﺪراﺳﻴﺔ30min ﻣﺪة اﻹﻧﺠﺎز : اﻟﺜﺎﻧﻮﻳﺔ اﻟﺘﺄﻫﻴﻠﻴﺔ ﻣﺠﻤﻮﻋﺔ ﻣﺪارس اﻟﺤﻜﻤﺔ آﺳﻔﻲ اﻟﻔﺮض اﻟﺜﺎﻧﻲ ﻓﻲ اﻟﻔﻴﺰﻳﺎء واﻟﻜﻴﻤﻴﺎء( ن5) اﺧﺘﺒﺎر ﻓﻲ اﻟﻌﻠﻮم اﻟﻔﻴﺰﻳﺎﺋﻴﺔ ﻣﻠﺤﻮﺿﺔ : ﻳﺠﺐ أن ﺗﻜﻮن اﻷﺟﻮﺑﺔ واﺿﺤﺔ وﺑﺪون ﺗﺸﻄﯿﺐ وﻓﻲ اﻷﻣﺎﻛﻦ اﻟﻤﺨﺼﺼﺔ ﻟﮫﺎ . ﻧﻘﻄﺔ ﻋﻠﻰ ﻛﻞ ﺟﻮاب ﺻﺤﯿﺢ ﺿﻊ ﻋﻼﻣﺔ أﻣﺎم اﻟﺠﻮاب أو اﻷﺟﻮﺑﺔ اﻟﺼﺤﻴﺤﺔ . ﺸﻔﺖ اﻹﻟﻜﺘﺮوﻧﺎت ﻣﻦ ﻃﺮف اﻟﻌﺎﻟﻢ : ــ أﻛﺘ1 ﻧﻴﻮﺗﻦ دﻳﻤﻮﻗﺮﻳﻄﺲ ﻃﻮﻣﺴﻮن ﺑﺎﺳﻜﺎل ــ ﺗﻢ اﻃﺘﺸﺎف أن اﻟﺪرة ﺗﺤﺘﻮي ﻋﻠﻰ ﻓﺮاغ ﻛﺒﻴﺮ اﻟﻨﻮاة واﻹﻟﻜﺘﺮوﻧﺎت ﻣﻦ ﻃﺮف اﻟﻌﺎﻟﻢ :2 رودرﻓﻮرد دﻳﻤﻮﻗﺮﻳﻄﺲ ﻃﻮﻣﺴﻮن دﻳﻜﺎرت ﻧﻈﻴﺮﻳﻦ ﻟﻌﻨﺼﺮ اﻟﻜﺮﺑﻮن :12 6 C و14 6 C ــ3 ﻟﻬﻤﺎ ﻧﻔﺲ ﻋﺪد اﻟﻨﻮﺗﺮوﻧﺎت ﻟﻬﻤﺎ ﻧﻔﺲ اﻟﻌﺪد اﻟﺪري ﻟﻬﻤﺎ ﻧﻔﺲ ﻋﺪد اﻟﻜﺘﻠﺔ ﻟﻬﻤﺎ ﻧﻔﺲ ﻋﺪد اﻟﺒﺮوﺗﻮﻧﺎت................ ﻫﺬه اﻟﻌﻼﻗﺔ ﺻﺤﻴﺤﺔ أم ﺧﺎﻃﺌﺔ-→ V =4m/s ــ ﻛﺘﺐ ﺗﻠﻤﻴﺬ ﻓﻲ دﻓﺘﺮه اﻟﻌﻼﻗﺔ اﻟﺘﺎﻟﻴﺔ :4 ................................................................................. اﻟﺘﻌﻠﻴﻞ :............................................................................................. V = 90km/h ــ ﻳﺘﺤﺮك ﺟﺴﻢ ﻋﻠﻰ ﻣﺴﺎر ﻣﺴﺘﻘﻴﻤﻲ ﺑﺴﺮﻋﺔ ﺛﺎﺑﺘﺔ ﻗﻴﻤﺘﻬﺎ5 90km ﻳﻘﻄﻊ ﻣﺴﺎﻓﺔ30min ﺧﻼل اﻟﻤﺪة اﻟﺰﻣﻨﻴﺔ180km ﻳﻘﻄﻊ اﻟﻤﺴﺎﻓﺔ2h ﺧﻼل ﻣﺪة زﻣﻨﻴﺔ ﻃﺒﻴﻌﺔ ﺣﺮﻛﺔ اﻟﺠﺴﻢ ﻣﺴﺘﻘﻴﻤﻴﺔ ﻣﺘﻐﻴﺮة24m/s ﺳﺮﻋﺔ اﻟﺠﺴﻢ ﻓﻲ اﻟﻨﻈﺎم اﻟﻌﺎﻟﻤﻲ ﻟﻠﻮﺣﺪات ﻫﻲ ذ . ﻋﻼل ﻣﺤﺪاد1/3 http://www.chimiephysique.ma

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  • ........... 2014 2015

    30min :

    ( 5 )

    . :

    . : 1

    : 2

    : 126 C 146 C 3

    ................ V = 4m/s : 4

    ................................................................................. : .............................................................................................

    V = 90km/h 5

    90km 30min

    180km 2h

    24m/s

    . 1/3 http://www.chimiephysique.ma

  • ........... 2014 2015

    7 :

    . qnoyau = 2, 56 1018C 5, 34 1026kg I. 18 :

    ( 2 ) . A 1( 0,5 ) . 2

    3216S

    2 3216S

    3115P

    126 C

    2412Mg

    2412Mg

    2+

    3216S II

    ( 0.5) . 1( 0,5 ) . 2

    ( 0,5) 3( 1 ) . 3216S2 4

    H2SO4 : III( 1) . 1

    ( 1 ) . 2

    8 :

    1 O (A) (B) VA = 18km/h. (A) 50m B t = 0s VB = 27km/h

    (1) . m/s (B) (A) 1(2) . (B) (A) 2

    1cm 5m/s : (xOx) 3(1) . t = 30s

    V B

    VA

    (2) . (A) (B) 42

    A O () (D) A . 20 A .

    . P = 2R : R = 10cm (1) . m/s A 1

    (1) A4 A3 A2 A1 : V 2

    ..

    1

    .

    S1

    .

    .

    A1

    .

    A2

    .

    A3

    .A4

    .

    . 2/3 http://www.chimiephysique.ma

  • ........... 2014 2015

    . 3/3 http://www.chimiephysique.ma