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Physics, 21.07.2021 17:10 kingjonesjr

hai quả cầu nhỏ mang 2 điện tích có độ lớn bằng nhau,đặt cách nhau 10cm trong chân không thì tác dụng lên nhau 1 lực là 9.10^-3N. Xác định điện tích của 2 quả cầu đó

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hai quả cầu nhỏ mang 2 điện tích có độ lớn bằng nhau,đặt cách nhau 10cm trong chân không thì tác dụn...
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