| 再谈"小球与均质自由杆的碰撞" |
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| 引用本文： | 于志明.再谈"小球与均质自由杆的碰撞"[J].大学物理,2007,26(9):11-12,16. |
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| 作者姓名： | 于志明 |
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| 作者单位： | 连云港师范高等专科学校,物理系,江苏,连云港,222006 |
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| 摘 要： | 讨论了小球在杆上任一点的碰撞问题,并指出《大学物理》2006年第5期《小球与均质自由杆的碰撞》一文中"完全非弹性碰撞后两物体不一定粘在一起共同运动"的说法是错误的.
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| 关 键 词： | 动量 角动量 完全弹性碰撞 完全非弹性碰撞 能量最小值 |
| 文章编号： | 1000-0712（2007）09-0011-02 |
| 收稿时间： | 2006-08-30 |
| 修稿时间： | 2006-08-30 |
Once more about "the collision of particle and a homogeneous free bar" |
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| YU Zhi-ming.Once more about "the collision of particle and a homogeneous free bar"[J].College Physics,2007,26(9):11-12,16. |
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| Authors: | YU Zhi-ming |
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| Abstract: | The physical rule of the collision of a particle and a free bar at any point is discussed,and "the two bodies not necessarilly move together after completely inelastic collision" is pointed out to be wrong. |
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| Keywords: | completely elastic collision completely inelastic collision minimum value of kinetic energy |
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