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April 19, 2014

Homework Help: Physics

Posted by Lala on Thursday, January 5, 2012 at 9:15pm.

A 45kg sled is coasting with constant velocity at 3.0m/s over a patch of smooth and level ice. It enters a very rough section of ice that is 11m long in which the force of friction is 15N. With what speed will the sled emerge from the rough ice?

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