Homework Help: General Physics

Posted by Kevin on Tuesday, October 5, 2010 at 6:06pm.

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?

General Physics - bobpursley, Tuesday, October 5, 2010 at 6:59pm
initial PE= work done on friction
mgh=mu*mg*sinTheta*12

solve for mu
General Physics - bobpursley, Tuesday, October 5, 2010 at 7:00pm
Theta= arc sin 3/12, or sin theta= 3/12

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