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如图所示,一物块P质量m=2kg,由平面上A点开始以速度v0=4m/s向A点右侧运动,物块与平面之间的动摩擦因数μ1=0.2,运动S1=3m后滑上传送带BC.已知传送带足够长且物块与传送带之间的动摩...
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