某中学物理兴趣小组用空心透明塑料管制作了如图所示的竖直“60”造型.两个“0”字型的半径均为R.让一质量为m、直径略小于管径的光滑小球从入口A处射入,依次经过图中的B、C、D三点,最后
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/30 02:21:35
![某中学物理兴趣小组用空心透明塑料管制作了如图所示的竖直“60”造型.两个“0”字型的半径均为R.让一质量为m、直径略小于管径的光滑小球从入口A处射入,依次经过图中的B、C、D三点,最后](/uploads/image/z/4117575-39-5.jpg?t=%E6%9F%90%E4%B8%AD%E5%AD%A6%E7%89%A9%E7%90%86%E5%85%B4%E8%B6%A3%E5%B0%8F%E7%BB%84%E7%94%A8%E7%A9%BA%E5%BF%83%E9%80%8F%E6%98%8E%E5%A1%91%E6%96%99%E7%AE%A1%E5%88%B6%E4%BD%9C%E4%BA%86%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%E7%9A%84%E7%AB%96%E7%9B%B4%E2%80%9C60%E2%80%9D%E9%80%A0%E5%9E%8B.%E4%B8%A4%E4%B8%AA%E2%80%9C0%E2%80%9D%E5%AD%97%E5%9E%8B%E7%9A%84%E5%8D%8A%E5%BE%84%E5%9D%87%E4%B8%BAR.%E8%AE%A9%E4%B8%80%E8%B4%A8%E9%87%8F%E4%B8%BAm%E3%80%81%E7%9B%B4%E5%BE%84%E7%95%A5%E5%B0%8F%E4%BA%8E%E7%AE%A1%E5%BE%84%E7%9A%84%E5%85%89%E6%BB%91%E5%B0%8F%E7%90%83%E4%BB%8E%E5%85%A5%E5%8F%A3A%E5%A4%84%E5%B0%84%E5%85%A5%2C%E4%BE%9D%E6%AC%A1%E7%BB%8F%E8%BF%87%E5%9B%BE%E4%B8%AD%E7%9A%84B%E3%80%81C%E3%80%81D%E4%B8%89%E7%82%B9%2C%E6%9C%80%E5%90%8E)
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