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範例:力學能守恆與轉動

一長3L，質量可忽略的輕桿，兩端各附著質量m，2m的質點，在距m長L處以水平軸O支持，如右圖，今由水平位置釋放，當輕桿擺動至鉛直位置時，m、2m的速度各為若干?


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Posted in 重力位能.

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By admin – 2009 年 04 月 10 日

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