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April 21, 2014

Homework Help: physics

Posted by Anonymous on Thursday, November 29, 2012 at 11:35pm.

An 85.7 N box of clothes is pulled 26.2 m up
a 31.7

ramp by a force of 112 N that points
along the ramp.
The acceleration of gravity is 9.81 m/s
2
.
If the coefficient of kinetic friction between
the box and ramp is 0.24, calculate the change
in the boxs kinetic energy.
Answer in units of J

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