Asked by Amy

A 55-kg block, starting from rest, is pushed a distance of 5.0 m across a floor by a horizontal force Fp whose magnitude is 140 N. Fp is parallel to the displacement of the block. The final speed of the block is 2.35 m/s.
A) What work did the friction do on the box?
B) What is the coefficient of friction?
Answered by Damon
That is just the previous problem worked backwards with different numbers.
Answered by Anonymous
Not sure. I need help too*-)
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