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物体的“相遇”问题,是运动学中研究同一直线上两物体运动时常常涉及到的问题,是匀变速直线运动规律在实际问题中的具体应用,能力要求较高,许多同学碰到这类问题时都觉得很棘手.如果处理方法得当,实际上并不复杂,笔者将这类问题汇总、归类为3种运动情景.
The “meeting” problem of objects is a common problem in kinematics when studying the movement of two objects on the same straight line. It is a concrete application of the law of uniform linear motion in practical problems. It has a high capability requirement and many students encounter problems. This type of problem is very tricky. If the processing method is appropriate, it is actually not complicated. The author summarizes and classifies these problems into three kinds of motion scenarios.