Asked by Kevin

The 5 kg block in the figure slides down a frictionless curved ramp, starting from rest at a height of h = 3 m. The block then slides d = 12 m on a rough horizontal surface before coming to rest.What is the coefficient of friction between the block and the horizontal surface?
Answered by bobpursley
initial PE= work done on friction
mgh=mu*mg*sinTheta*12

solve for mu
Answered by bobpursley
Theta= arc sin 3/12, or sin theta= 3/12
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