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Physics, 09.09.2021 09:30 triddi666

: Con lắc lò xo dao động theo phương ngang có độ cứng k = 40 N/m, vật dao động điều hòa với tần số 0,5 Hz, biên độ A = 2cm. Lực kéo về cực đại tác dụng vào vật là :

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