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# An object of mass m is at rest at the top of a smooth slope

An object of mass m is at rest at the top of a smooth slope of height h and length L. The coefficient of kinetic friction between the object and the surface, , is small enough that the object will slide down the slope if given a very small push to get it started. Part B Review Constants Sam, whose mass is 71 kg, stands at the top of a 10-m-high, 120-m-long snow- covered slope. His skis have a coefficient of kinetic friction on snow of 0.07. If he uses his poles to get started, then glides down, what is his speed at the bottom?

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