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Physics, 12.09.2021 16:20 sweetgigi4387

Một vật dao động điều hoà trên một đoạn thẳng dài 10cm; chu kì 0,5s; tại thời điểm ban đầu vật đi qua vị trí có li độ 2,5cm ngược chiều dương a) Viết phương trình dao động

b) Khi vật đi qua vị trí cân bằng, vị trí biên chất điểm có vận tốc bao nhiêu?

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Một vật dao động điều hoà trên một đoạn thẳng dài 10cm; chu kì 0,5s; tại thời điểm ban đầu vật đi qu...
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