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(2013·天津八中高三第三次月考,13题)(1) 如图所示,质量为m的小铁块A.以水平速度v0冲上质量为M.、长为L.、置于光滑水平面C.上的木板B.,正好不从木板上掉下.已知A.、B.间的动摩擦因...

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