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April 18, 2015

Homework Help: College Physics

Posted by HP on Thursday, November 12, 2009 at 11:51am.

an escalator carries you from one level to the next in the airport terminal. the upper level is 4.5 m above the lower level, and the length of the escalator is 7 m. your mass is 60 kg.

how much work does the up escalator do on you when you ride it from the lower level to the upper level?

how much work does the does the down escalator do on you when you ride it from the upper level to the lower level?

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