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Physics, 17.09.2021 08:30 imaniii88

Quả cầu A có điện tích -3,2.10-7C , quả cầu B có điện tích 2,4.10-7C đặt cách nhau 12cm trong chân không . a Vẽ và tính lực tương tác giữa hai quả cầu , lực hút hay đây ? b . Muốn lực tương tác giữa hai quả cầu là 11,52.10-3N thì khoảng cách giữa hai quả cầu là bao nhiêu ? Lấp đầy không gian chứa 2 quả cầu bằng dầu có hằng số điện môi là 2 , tính lực tương tác giữa 2 quả cấu ?

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Quả cầu A có điện tích -3,2.10-7C , quả cầu B có điện tích 2,4.10-7C đặt cách nhau 12cm trong chân k...
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