حلول التدريبات العملية 2 في الكهروستاتيكا

105. 27.2

شغل القوة الكهربائية يساوي ناقص التغير في الطاقة الوضعية:

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يتحرك الجسم من حالة السكون، وتكون طاقة الحركة في النقطة B تساوي صفرًا.

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