m=2kg,在h=1m的1/4圆弧轨道A点以v0=4m/s滑下,进入BC,U=0.4 1.物体滑至B的速度2.物体刚到B时对轨道的压力3.物体最后停止在离B多远的位置上?
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![m=2kg,在h=1m的1/4圆弧轨道A点以v0=4m/s滑下,进入BC,U=0.4 1.物体滑至B的速度2.物体刚到B时对轨道的压力3.物体最后停止在离B多远的位置上?](/uploads/image/z/11697784-16-4.jpg?t=m%3D2kg%2C%E5%9C%A8h%3D1m%E7%9A%841%2F4%E5%9C%86%E5%BC%A7%E8%BD%A8%E9%81%93A%E7%82%B9%E4%BB%A5v0%3D4m%2Fs%E6%BB%91%E4%B8%8B%2C%E8%BF%9B%E5%85%A5BC%2CU%3D0.4+1.%E7%89%A9%E4%BD%93%E6%BB%91%E8%87%B3B%E7%9A%84%E9%80%9F%E5%BA%A62.%E7%89%A9%E4%BD%93%E5%88%9A%E5%88%B0B%E6%97%B6%E5%AF%B9%E8%BD%A8%E9%81%93%E7%9A%84%E5%8E%8B%E5%8A%9B3.%E7%89%A9%E4%BD%93%E6%9C%80%E5%90%8E%E5%81%9C%E6%AD%A2%E5%9C%A8%E7%A6%BBB%E5%A4%9A%E8%BF%9C%E7%9A%84%E4%BD%8D%E7%BD%AE%E4%B8%8A%3F)
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