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Physics, 15.08.2021 14:00 prettyluhangel

Một vật dao động điều hòa với chu kỳ T và biên độ là A. Khoảng thời gian ngắn nhất kể từ thời điểm động năng bằng thế năng đến thời điểm thế năng bằng 3 lần động năng là

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Một vật dao động điều hòa với chu kỳ T và biên độ là A. Khoảng thời gian ngắn nhất kể từ thời điểm đ...

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