Physics, 26.07.2021 05:00 tareas7009
Một vật có khối lượng m = 200 g dao động điều hòa theo phương trình x=10sin(4\pi+\frac{/pi}{3} ) (cm) . Năng lượng cần thiết để vật dao động là
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Một vật có khối lượng m = 200 g dao động điều hòa theo phương trình x=10sin(4\pi+\frac{/pi}{3} ) (cm...
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