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November 28, 2014

Homework Help: physics

Posted by Amy on Monday, February 13, 2012 at 11:03pm.

A 50-kg block is pushed a distance of 5.0 m across a floor by a horizontal force Fp whose magnitude is 150 N. Fp is parallel to the displacement of the block. The coefficient of kinetic friction is 0.25.
A) What is the total work done on the block?
B) If the box started from rest, what is the final speed of the block?

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