圆轨道 AB是在竖直平面内的1/4圆周,在B点轨道的切线是水平的,一质点自A点从静止开始下滑,不计摩擦和空气阻力,则在质点刚要到达B点时的加速度大小为多少?请将计算过程告知.
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/09 00:47:35
![圆轨道 AB是在竖直平面内的1/4圆周,在B点轨道的切线是水平的,一质点自A点从静止开始下滑,不计摩擦和空气阻力,则在质点刚要到达B点时的加速度大小为多少?请将计算过程告知.](/uploads/image/z/8944068-12-8.jpg?t=%E5%9C%86%E8%BD%A8%E9%81%93+AB%E6%98%AF%E5%9C%A8%E7%AB%96%E7%9B%B4%E5%B9%B3%E9%9D%A2%E5%86%85%E7%9A%841%2F4%E5%9C%86%E5%91%A8%2C%E5%9C%A8B%E7%82%B9%E8%BD%A8%E9%81%93%E7%9A%84%E5%88%87%E7%BA%BF%E6%98%AF%E6%B0%B4%E5%B9%B3%E7%9A%84%2C%E4%B8%80%E8%B4%A8%E7%82%B9%E8%87%AAA%E7%82%B9%E4%BB%8E%E9%9D%99%E6%AD%A2%E5%BC%80%E5%A7%8B%E4%B8%8B%E6%BB%91%2C%E4%B8%8D%E8%AE%A1%E6%91%A9%E6%93%A6%E5%92%8C%E7%A9%BA%E6%B0%94%E9%98%BB%E5%8A%9B%2C%E5%88%99%E5%9C%A8%E8%B4%A8%E7%82%B9%E5%88%9A%E8%A6%81%E5%88%B0%E8%BE%BEB%E7%82%B9%E6%97%B6%E7%9A%84%E5%8A%A0%E9%80%9F%E5%BA%A6%E5%A4%A7%E5%B0%8F%E4%B8%BA%E5%A4%9A%E5%B0%91%3F%E8%AF%B7%E5%B0%86%E8%AE%A1%E7%AE%97%E8%BF%87%E7%A8%8B%E5%91%8A%E7%9F%A5.)
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