一光滑的半径为r的半圆形轨道放在水平面上,一个质量为m的小球以以某一速度冲上轨道然后从轨道b处飞出,最后落在水平面上,已知小球落地点c距b处的距离为3r.球小球对轨道口b处的压力多大
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/19 15:37:08
![一光滑的半径为r的半圆形轨道放在水平面上,一个质量为m的小球以以某一速度冲上轨道然后从轨道b处飞出,最后落在水平面上,已知小球落地点c距b处的距离为3r.球小球对轨道口b处的压力多大](/uploads/image/z/5120742-30-2.jpg?t=%E4%B8%80%E5%85%89%E6%BB%91%E7%9A%84%E5%8D%8A%E5%BE%84%E4%B8%BAr%E7%9A%84%E5%8D%8A%E5%9C%86%E5%BD%A2%E8%BD%A8%E9%81%93%E6%94%BE%E5%9C%A8%E6%B0%B4%E5%B9%B3%E9%9D%A2%E4%B8%8A%2C%E4%B8%80%E4%B8%AA%E8%B4%A8%E9%87%8F%E4%B8%BAm%E7%9A%84%E5%B0%8F%E7%90%83%E4%BB%A5%E4%BB%A5%E6%9F%90%E4%B8%80%E9%80%9F%E5%BA%A6%E5%86%B2%E4%B8%8A%E8%BD%A8%E9%81%93%E7%84%B6%E5%90%8E%E4%BB%8E%E8%BD%A8%E9%81%93b%E5%A4%84%E9%A3%9E%E5%87%BA%2C%E6%9C%80%E5%90%8E%E8%90%BD%E5%9C%A8%E6%B0%B4%E5%B9%B3%E9%9D%A2%E4%B8%8A%2C%E5%B7%B2%E7%9F%A5%E5%B0%8F%E7%90%83%E8%90%BD%E5%9C%B0%E7%82%B9c%E8%B7%9Db%E5%A4%84%E7%9A%84%E8%B7%9D%E7%A6%BB%E4%B8%BA3r.%E7%90%83%E5%B0%8F%E7%90%83%E5%AF%B9%E8%BD%A8%E9%81%93%E5%8F%A3b%E5%A4%84%E7%9A%84%E5%8E%8B%E5%8A%9B%E5%A4%9A%E5%A4%A7)
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