Physics, 24.07.2021 01:30 willwhitlock803
Vật dao động điều hòa dọc theo trục Õ (với O là VTCB),CÓ CHU KÌ T=2s và biên độ A . Thời điểm 2.5s vật ở li độ cực đại .Tại thời điểm ban đầu vật đi theo chiều gì
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Vật dao động điều hòa dọc theo trục Õ (với O là VTCB),CÓ CHU KÌ T=2s và biên độ A . Thời điểm 2.5s v...
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