关于动量守恒定理的题光滑水平面上人和车的总质量为M,另有一小球m,且M:m=31:2,开始人拿着球坐在车上静止,现人一速度v将球m沿平面推向正前方的固定挡板,球与板碰后等速率返回,人接到球
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/01 14:21:03
![关于动量守恒定理的题光滑水平面上人和车的总质量为M,另有一小球m,且M:m=31:2,开始人拿着球坐在车上静止,现人一速度v将球m沿平面推向正前方的固定挡板,球与板碰后等速率返回,人接到球](/uploads/image/z/9623795-59-5.jpg?t=%E5%85%B3%E4%BA%8E%E5%8A%A8%E9%87%8F%E5%AE%88%E6%81%92%E5%AE%9A%E7%90%86%E7%9A%84%E9%A2%98%E5%85%89%E6%BB%91%E6%B0%B4%E5%B9%B3%E9%9D%A2%E4%B8%8A%E4%BA%BA%E5%92%8C%E8%BD%A6%E7%9A%84%E6%80%BB%E8%B4%A8%E9%87%8F%E4%B8%BAM%2C%E5%8F%A6%E6%9C%89%E4%B8%80%E5%B0%8F%E7%90%83m%2C%E4%B8%94M%3Am%3D31%EF%BC%9A2%2C%E5%BC%80%E5%A7%8B%E4%BA%BA%E6%8B%BF%E7%9D%80%E7%90%83%E5%9D%90%E5%9C%A8%E8%BD%A6%E4%B8%8A%E9%9D%99%E6%AD%A2%2C%E7%8E%B0%E4%BA%BA%E4%B8%80%E9%80%9F%E5%BA%A6v%E5%B0%86%E7%90%83m%E6%B2%BF%E5%B9%B3%E9%9D%A2%E6%8E%A8%E5%90%91%E6%AD%A3%E5%89%8D%E6%96%B9%E7%9A%84%E5%9B%BA%E5%AE%9A%E6%8C%A1%E6%9D%BF%2C%E7%90%83%E4%B8%8E%E6%9D%BF%E7%A2%B0%E5%90%8E%E7%AD%89%E9%80%9F%E7%8E%87%E8%BF%94%E5%9B%9E%2C%E4%BA%BA%E6%8E%A5%E5%88%B0%E7%90%83)
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