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April 20, 2014

Homework Help: Engineering Physics

Posted by Christine on Sunday, July 8, 2012 at 11:24pm.

A 4kg box is compress 50 cm on a spring (k=100 N/m) and then slides across a horizontal floor. If (u=0.4) between the box and the floor

1) How much work is done by friction as the box comes to a stop?
2) Assuming the frictional force is constant, how far will the box slide before it comes to a stop?

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