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Physics, 22.07.2021 14:00 blink182lovgabbie
Một vật dao động trên trục Ox với phương trình x 10sin 2 t / 2 = π + π ( ) cm. Thời điểm vật đi qua vị trí có li độ 5 cm lần thứ 2 theo chiều dương kể từ lúc t = 0 là?
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Một vật dao động trên trục Ox với phương trình x 10sin 2 t / 2 = π + π ( ) cm. Thời điểm vật đi qua...
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