Monday
March 2, 2015

Homework Help: Physical Science

Posted by Help on Sunday, September 11, 2011 at 4:10pm.

An escalator 14 m long is carrying a 70-kg person from one floor to another 8 m higher. The escalator has a speed of 1.0m/s. How much work does the escalator do in carrying the person to the top?

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