g,则“小球能通过D点,则小球在C点和D点的向心加速度相等”这句话为什么是错的?题目中不是说无能量损失进入BCD则这段v相等.根据牛二定律推出向心加速度相等.难道是方向不同?若小球到达D
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/01 12:36:58
![g,则“小球能通过D点,则小球在C点和D点的向心加速度相等”这句话为什么是错的?题目中不是说无能量损失进入BCD则这段v相等.根据牛二定律推出向心加速度相等.难道是方向不同?若小球到达D](/uploads/image/z/6471276-60-6.jpg?t=g%2C%E5%88%99%E2%80%9C%E5%B0%8F%E7%90%83%E8%83%BD%E9%80%9A%E8%BF%87D%E7%82%B9%2C%E5%88%99%E5%B0%8F%E7%90%83%E5%9C%A8C%E7%82%B9%E5%92%8CD%E7%82%B9%E7%9A%84%E5%90%91%E5%BF%83%E5%8A%A0%E9%80%9F%E5%BA%A6%E7%9B%B8%E7%AD%89%E2%80%9D%E8%BF%99%E5%8F%A5%E8%AF%9D%E4%B8%BA%E4%BB%80%E4%B9%88%E6%98%AF%E9%94%99%E7%9A%84%3F%E9%A2%98%E7%9B%AE%E4%B8%AD%E4%B8%8D%E6%98%AF%E8%AF%B4%E6%97%A0%E8%83%BD%E9%87%8F%E6%8D%9F%E5%A4%B1%E8%BF%9B%E5%85%A5BCD%E5%88%99%E8%BF%99%E6%AE%B5v%E7%9B%B8%E7%AD%89.%E6%A0%B9%E6%8D%AE%E7%89%9B%E4%BA%8C%E5%AE%9A%E5%BE%8B%E6%8E%A8%E5%87%BA%E5%90%91%E5%BF%83%E5%8A%A0%E9%80%9F%E5%BA%A6%E7%9B%B8%E7%AD%89.%E9%9A%BE%E9%81%93%E6%98%AF%E6%96%B9%E5%90%91%E4%B8%8D%E5%90%8C%3F%E8%8B%A5%E5%B0%8F%E7%90%83%E5%88%B0%E8%BE%BED)
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