Physics, 23.07.2021 09:00, aedmund1225

Một chất điểm dao động điều hoà với biên độ A, tốc độ của vật khi qua vị trí cân bằng là vmax. Khi vật có li độ x = A/2 thì tốc độ của nó tính theo vmax lấy gần đúng là

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Một chất điểm dao động điều hoà với biên độ A, tốc độ của vật khi qua vị trí cân bằng là vmax. Khi v...