Tuesday
July 22, 2014

Homework Help: Physics

Posted by Mandeep on Wednesday, August 22, 2012 at 10:11pm.

A man pulls a 25kg sled a distance of 80 meters across a flat, snowy surface. He holds the handle of the sled at an angle of 30degrees with the ground. How much work does he do on the sled against the force of friction?(Assume the coefficient of sliding friction between the sled and the snow to be .1, and cos30=.87).

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