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Physics, 22.07.2021 06:50 keshaayro1618
một vật dao động điều hòa có biên độ A, chu kì T, thời điểm ban đầu t = 0 vật đang ở vị trí biên. Quảng đường vật đi được từ thời điểm ban đầu đến thời điểm t = T/4 là
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một vật dao động điều hòa có biên độ A, chu kì T, thời điểm ban đầu t = 0 vật đang ở vị trí biên. Qu...
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