A 6.0-kg block slides from point A down a frictionless curve to point B. After t

Question

A 6.0-kg block slides from point A down a frictionless curve to point B.  After the block passes point B, a friction force opposes the motion of the block so that it comes to a stop 2 m from B.  Calculate the coefficient of kinetic friction between the block and the surface after position B

A 6.0-kg block slides from point A down a frictionless curve to point B. After the block passes point B, a friction force opposes the motion of the block so that it comes to a stop 2 m from B. Calculate the coefficient of kinetic friction between the block and the surface after position B

Explanation / Answer

conserving the energy

mgh=umgx where u =coeff of frition

ux=h

u=1/2

u=0.5

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