Question #37247
A 72.0-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 5.20 m. What is the work done on the man by (a) the gravitational force and (b) the escalator?
1
Expert's answer
2013-11-26T10:19:32-0500
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