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Physics, 17.09.2021 14:00 tjmoney7709

ba điện tích điểm bằng nhau q1=q2=q3=10^-7 được đặt taj ba đỉnh của 1 tam giác đều cạnh a=4cm trong không khí.lực tĩnh điện có đôn lớn xấp xỉ bằng

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ba điện tích điểm bằng nhau q1=q2=q3=10^-7 được đặt taj ba đỉnh của 1 tam giác đều cạnh a=4cm trong...
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