Physics
Senior High
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想請教這題的第三小題🙏
物体繫彈簧作水平SHM,物体經原長時,速率為V.
當动能為位能3倍.物體質呈m,彈力常數K,則
2.1 總力學能
may
:0
沒給R
KR
③彈簧振幅為是喂.
③彈簧振幅為
ImV²x
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為什麼不用把3倍帶進去算