Physics, 24.06.2021 03:20 arizola757

1 vật dao động điều hòa với phương trình x = 4cos (2Πt + Π/2) cm. Xác định thời điểm vật đi qua vị trí x = +4

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1 vật dao động điều hòa với phương trình x = 4cos (2Πt + Π/2) cm. Xác định thời điểm vật đi qua vị t...