长度为30厘米的绳一端固定,另一端拴着一个质量为m的小球.对小球施加一个水平冲力,使小球在竖直平面内绕固定端做圆周运动.问、小球做圆周运动时到达最高点而不掉下来的最小速度为多少
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/15 00:10:51
![长度为30厘米的绳一端固定,另一端拴着一个质量为m的小球.对小球施加一个水平冲力,使小球在竖直平面内绕固定端做圆周运动.问、小球做圆周运动时到达最高点而不掉下来的最小速度为多少](/uploads/image/z/3644286-6-6.jpg?t=%E9%95%BF%E5%BA%A6%E4%B8%BA30%E5%8E%98%E7%B1%B3%E7%9A%84%E7%BB%B3%E4%B8%80%E7%AB%AF%E5%9B%BA%E5%AE%9A%2C%E5%8F%A6%E4%B8%80%E7%AB%AF%E6%8B%B4%E7%9D%80%E4%B8%80%E4%B8%AA%E8%B4%A8%E9%87%8F%E4%B8%BAm%E7%9A%84%E5%B0%8F%E7%90%83.%E5%AF%B9%E5%B0%8F%E7%90%83%E6%96%BD%E5%8A%A0%E4%B8%80%E4%B8%AA%E6%B0%B4%E5%B9%B3%E5%86%B2%E5%8A%9B%2C%E4%BD%BF%E5%B0%8F%E7%90%83%E5%9C%A8%E7%AB%96%E7%9B%B4%E5%B9%B3%E9%9D%A2%E5%86%85%E7%BB%95%E5%9B%BA%E5%AE%9A%E7%AB%AF%E5%81%9A%E5%9C%86%E5%91%A8%E8%BF%90%E5%8A%A8.%E9%97%AE%E3%80%81%E5%B0%8F%E7%90%83%E5%81%9A%E5%9C%86%E5%91%A8%E8%BF%90%E5%8A%A8%E6%97%B6%E5%88%B0%E8%BE%BE%E6%9C%80%E9%AB%98%E7%82%B9%E8%80%8C%E4%B8%8D%E6%8E%89%E4%B8%8B%E6%9D%A5%E7%9A%84%E6%9C%80%E5%B0%8F%E9%80%9F%E5%BA%A6%E4%B8%BA%E5%A4%9A%E5%B0%91)
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