A platform of mass M = 8kg initially at rest can roll without friction. A small block
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A platform of mass M = 8kg initially at rest can roll without friction. A small block of one-forth of mass, m = M / 4 enters the platform with initial velocity v 2.31m/s. The platform is of enough length so that the small block will not fall off on either ends. The kinetic friction force between the small block and the platform's top surface is 3.2 Newton while the static one is 3.5 Newton. How far the small block will travel from the left end of the platform when it stops on the platform?
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