thanks so much.
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:综合作业 时间:2024/07/28 15:51:37
thanks so much.
![](http://img.wesiedu.com/upload/f/40/f40174435f9bca325c0d6c1f932eaa6c.jpg)
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![thanks so much.](/uploads/image/z/9397639-55-9.jpg?t=thanks+so+much.)
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再问: 我和你的步骤基本相同,只是我算的B的加速度是3
再问: 这个时候算B的加速度。为什么还要算A的重力。。它们的运动状态不同。还能看成一个整体吗?
再答: 这个和能否用整体法无关,B对地的压力总等于总重力,承认吧?
再问: T^T。OK。谢了!
再答: 不用谢。
thanks so much..
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阅读理解,急要,Thanks so much~
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