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July 23, 2014

Homework Help: physics

Posted by sand on Wednesday, June 13, 2012 at 10:26am.

A body of mass 5.0kg slides from rest down a plane inclined at 30degrees to the horizontal. After sliding 12m down the plane it is found to have a speed of 10m/s.
a) How much work has been done in overcoming friction along the plane?
b) Calculate the average value of the force of friction.

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