求速度(动量定理解简单的连接体问题.)
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:物理作业 时间:2024/07/26 05:32:15
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![求速度(动量定理解简单的连接体问题.)](/uploads/image/z/18856809-9-9.jpg?t=%E6%B1%82%E9%80%9F%E5%BA%A6%28%E5%8A%A8%E9%87%8F%E5%AE%9A%E7%90%86%E8%A7%A3%E7%AE%80%E5%8D%95%E7%9A%84%E8%BF%9E%E6%8E%A5%E4%BD%93%E9%97%AE%E9%A2%98.%29)
解题思路: 应该灵活地选取研究对象,根据需要对连接体进行分与合:求v1时,把A、B作为一个整体列方程,求解简捷;求A、B间相互作用力时,就必须把A、B分离,取A(或B)为隔离体进行研究.
解题过程:
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最终答案:略
解题过程:
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最终答案:略