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Physics, 05.09.2021 18:00 harleyguerrieri

Một con lắc lò xo dao động điều hoà theo phương thẳng đứng, trong quá trình dao động của vật lò xo có chiều dài biến thiên từ 20cm đến 28cm. Biên độ dao động của vật là

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Một con lắc lò xo dao động điều hoà theo phương thẳng đứng, trong quá trình dao động của vật lò xo c...
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