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November 26, 2014

Homework Help: physics

Posted by ash on Thursday, January 20, 2011 at 6:56pm.

A couch with a mass of 100 kg is placed on an adjustable ramp attached to a truck. As one end raises, the couch begins to move downward. If it sldes with an acceleration of .79 m/s^2 at 12 degrees, what is the coefficient of kinetic friction.

I still am having troubles with this problem.

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