Physics, 26.07.2021 18:30, Devan6264

Hai quả cầu nhỏ mang điện tích q1 ; 42 đặt cách nhau 3 cm trong không khí thì lực hút tĩnh điện giữa chúng có độ lớn là 2.10 − 2 N. Điện tích tổng cộng của hai quả cầu là –10-8 C . Xác định điện tích q1; q2 của mỗi quả cầu ? Biết rằng |4, > 4,.

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Hai quả cầu nhỏ mang điện tích q1 ; 42 đặt cách nhau 3 cm trong không khí thì lực hút tĩnh điện giữa...

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