Tuesday
October 21, 2014

Homework Help: 10th grade

Posted by dom on Saturday, November 27, 2010 at 2:27am.

A sledge loaded with bricks has a total mass of 18.0 kg nd is plled at constant speed of a rope incllined at 20 degres above the horizontal. The sledge moves a distance of 20.0 m on a horizontal surface. the coefficient of kinetic friction between the sledge and surface is 0.500. (a) What is the tension in the rope? (b) How much work is done by the rope on the sledge? (c) What is the mechanical energy lost due to friction?

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