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範例:非彈性碰撞與動量守恆[85日大]

一小球被擲向光滑之地面後反彈跳起。在碰撞前後,其入射速度及反彈速度分別與鉛垂線成夾角θ 1及θ2(如圖所示)。若反彈過程為非彈性碰撞,小球剛反跳時的動能降為碰撞前瞬間動能的1/C倍,其中C>1,則sinθ2/sinθ1之值為何?


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Posted in 二維空間的碰撞, 歷屆物理考題.

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