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範例:鉛直面簡諧運動與力學能守恆

一線性彈簧之彈力常數為k,鉛直懸掛;今若在下端掛上一質量m的物體,恰呈靜止。將物體拉下R後,釋放之;則當物體上升3R/2處時(距釋放點),物體的速度大小為何?

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Posted in 彈性位能.

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By admin – 2009 年 04 月 27 日

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