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October 21, 2014

Homework Help: Physics

Posted by Zac on Friday, February 11, 2011 at 5:26pm.

A 86.0-kg man is riding an escalator in a shopping mall. The escalator moves the man at a constant velocity from ground level to the floor above, a vertical height of 5.50 m. What is the work done on the man by each of the following forces?

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