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November 21, 2014

Homework Help: PHYSICS

Posted by REESE on Wednesday, March 17, 2010 at 11:58am.

A 120-kg crate, starting from rest, is pulled across a floor with a constant horizontal force of 450 N. For the first 11 m the floor is frictionless, and for the next 11 m the coefficient of friction is 0.30. What is the final speed of the crate?

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