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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J0.5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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