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Physics, 24.07.2021 14:40 avavackity
Vật dao động với phương trình 5cos(4pit+pi/6) tìm thời điểm đi qua vị trí biên dương lần thứ 4
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Vật dao động với phương trình 5cos(4pit+pi/6) tìm thời điểm đi qua vị trí biên dương lần thứ 4...
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