Physics
Physics, 20.09.2021 19:40, httpcindy14

Hai điện tích q1=q2=q , đặt tại hai điểm A và B cách nhau một đoạn a trong chân không. Điện tích q3=q1=q đặt tại M. Điểm M nằm trên đường trung trực của AB. Với AM = BM = 2a. Lực điện tác dụng lên q3 được xác định bằng biểu thức là:

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Hai điện tích q1=q2=q , đặt tại hai điểm A và B cách nhau một đoạn a trong chân không. Điện tích q3=...

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