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範例:總衝量的運用

有兩個物體，其質量分別為2公斤及0.5公斤，兩者之間以一細線相連，置於光滑水平桌面上，今施以10牛頓–秒的衝量J於0.5公斤的物體上，使兩物體開始運動，如圖。在衝量J作用期間，該線中斷。2公斤的物體以0.2公尺/秒的速度前進，試求線斷後，(1)各物體的衝量? (2)0.5公斤的物體的速度為何?


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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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