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纵观2007年普通高考中所使用的几套试题发现,今年的高考题更凸现了一个特点,就是题目考察的重点大都落在典型的“模型”问题上,其中碰撞“模型”问题一直是近几年高考的热点,而弹性碰撞更是倍受高考命题组的青睐而多次出现在高考试卷上,而且两物体的初状态为“一静一动”居多.现就弹性碰撞中“一静一动”模型碰后两物体的速度公式的应用,谈谈我的一点体会,不当之处,请各位同仁批评指正.一、弹性碰撞的基本规律及应用公式
Looking at the examination questions used in the 2007 college entrance examination, we found that this year’s college entrance examination question has highlighted a feature that the focus of the topic investigation mostly falls on the typical “model” problem, in which the collision “model” The problem has always been the hot spot of the college entrance examination in recent years, and the elastic collision has always been favored by the college entrance examination proposition group and has appeared on the examination papers many times. Moreover, the initial state of the two objects is mostly “quiet and dynamic.” The application of the velocity formula of the two objects in the collision “a static and a dynamic” model, talk about my experience, inappropriate, please criticize my colleagues for correction. First, the basic laws and application of elastic collision formula