Posted by **Adam** on Monday, July 2, 2012 at 11:28pm.

A 4kg box is compressed 50cm on a spring (k=800 N/m) and then slides across a horizontal floor. If (u=0.4) between the box and the floor...

A) how much work is done?

B) assuming the frictional force is constant, how far will the box slide before it comes to a stop?

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