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August 21, 2014

Homework Help: physics

Posted by Rebecca on Sunday, September 30, 2012 at 9:23pm.

A crate with a mass of 50 kg has a coefficient of static friction with the floor of 0.8 and a coefficient of kinetic friction of 0.25. If it is pushed with a force of 425 N, how long will it take to move it across a 65 meter horizontal floor?

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