Homework Help: Science

Posted by Dawn on Thursday, December 8, 2011 at 2:42pm.

An escalator is moving downward with a uniform speed of u. A man of mass m is running upward on it at a uniform speed of v. If the height of the escalator is h, the work done by the man in going up the escalator is?

Science - Anonymous, Thursday, December 8, 2011 at 4:10pm
W=FD where W is work, F is force, and D is displacement. Find F and you will be able to get work.

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