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Physics, 23.09.2021 14:30 love123jones
Trong mặt phẳng tọa độ xoy có ba điện tích điểm q1 = +4 μC đặt tại gốc O, q2 = - 3 μC đặt tại M trên trục Ox cách O đoạn OM = +5cm, q3 = - 6 μC đặt tại N trên trục Oy cách O đoạn ON = +10cm. Tính lực điện tác dụng lên q1? 55N.48,3 N.21,6N.12,73N.
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Trong mặt phẳng tọa độ xoy có ba điện tích điểm q1 = +4 μC đặt tại gốc O, q2 = - 3 μC đặt tại M trê...
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