Knowledge is power ,
sharing knowledge is powerful
اذا اثرت قوة متغيرة ق ( مقاسة بالنيوتن ) على جسيم حيث ق تعطى بالعلاقة ق = 4 ف3 فان
الشغل المبذول من هذه القوة فى الفترة من ف = 0 الى ف = 2 متر يساوى ................................
ا- 16 ارج
ب- 16 جول
ج- 32 ارج
د- 32 جول
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اضف اجابتك
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- اللغة الأجنبية الأولى (اللغة الإنجليزية)
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