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Physics, 06.10.2021 05:00 krystalsanabria83

: Hai quả cầu nhỏ giống nhau có cùng khối lượng 0,1 g và mang điện tích q = 10 – 8 C treo vào cùng một điểm bằng hai sợi dây nhẹ, cách điện, dài bằng nhau. Dưới tác dụng của lực tĩnh

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: Hai quả cầu nhỏ giống nhau có cùng khối lượng 0,1 g và mang điện tích q = 10 – 8 C treo vào cùng...

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