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April 20, 2014

Homework Help: physics

Posted by amy on Tuesday, March 27, 2012 at 2:54pm.

jack gives 50 kg jill a ride on a sleigh for 500 meters. he exerts a force of 45 Newtons on the rope of the sled at an angle of 30 degrees. He pulls her at a constant velocity. What is the coefficient of friction between the sled and the ground? How much work does he do on the sled?

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