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September 1, 2014

Homework Help: physics

Posted by joe on Thursday, February 14, 2013 at 4:34pm.

A 50.0-kg box is sliding on a rough horizontal floor, and the only horizontal force acting on it is friction. You observe that at one instant the box is sliding to the right at 1.5 m/s and that it stops in 2.5 s with uniform acceleration. What magnitude force does friction exert on this box?

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