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範例:爆炸型的獨立系統(二)(二維)

一靜止的炸彈爆炸為三塊,一塊質量為1.0公斤,以12米/秒的速度飛向北方,一塊質量2.0公斤,以8.0米/秒的速度飛向東方,第三塊彈開時之速率為40米/秒,則第三塊的(1)質量為若干公斤? (2)速度方向為何?


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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 10 日

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