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範例:衝量與動量變化

質量m之質點以等速率v沿一正n邊形運動,則由一邊至另一邊時,所受衝量之大小為(A)mvsin( ) (B)mvcos() (C)2mvsin() (D) 2mvcos() (E) 2mvsin()。


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Posted in 動量與衝量.

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By admin – 2008 年 12 月 29 日

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