| 质点从可自由移动的凹曲面上滑下的速度、加速度和时间 |
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| 引用本文： | 谢自芳,王祝盈,陈曙光,张智,王艳辉.质点从可自由移动的凹曲面上滑下的速度、加速度和时间[J].大学物理,2006,25(5):12-15. |
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| 作者姓名： | 谢自芳 王祝盈 陈曙光 张智 王艳辉 |
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| 作者单位： | 湖南大学,应用物理系,湖南,长沙,410082 |
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| 摘 要： | 对于一个质点从可自由移动的光滑的凹曲面上滑下的速度、加速度和时间作了一般性讨论,建立了相应的公式.并对质点的运动平面与凹曲面的交线分别为直线、抛物线和椭圆等情况进行了具体的计算.
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| 关 键 词： | 凹曲面 惯性系 抛物线 椭圆 椭圆函数 |
| 文章编号： | 1000-0712(2006)05-0012-04 |
| 收稿时间： | 04 25 2005 12:00AM |
| 修稿时间： | 01 13 2006 12:00AM |
The velocity, acceleration and time of particle sliding down on a horizontally free cancave surface |
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| XIE Zi-fang,WANG Zhu-ying,CHEN Shu-guang,ZHANG Zhi,WANG Yan-hui.The velocity, acceleration and time of particle sliding down on a horizontally free cancave surface[J].College Physics,2006,25(5):12-15. |
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| Authors: | XIE Zi-fang WANG Zhu-ying CHEN Shu-guang ZHANG Zhi WANG Yan-hui |
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| Institution: | Department of Applied Physics, Hunan University, Changsha 410082, China |
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| Abstract: | The velocity,acceleration and time of a particle sliding down along a horizontally free concave surface are discussed.And correlative formulas are deduced.Detailed calculations are done for several typical examples,in which the intersection line between the concave surface and the motion plane of the particle are straight line parabola,and ellipse,respectively. |
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| Keywords: | concave surface inertial frame parabola ellipse ellipse function |
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