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範例:爆炸型多質點系統的鉛直拋射運動(一維)

一物體自100米高空自由落下,經2秒末爆炸成質量相等之兩片(上下炸開)。再經2秒,其中一片著地,則另一片之高度為(設g=10 m/s2)(A)20(B)30(C)35(D)40(E)60米。[83雄中]


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Posted in 多質點系統的質心運動.

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By admin – 2009 年 01 月 08 日

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