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July 2, 2015

Homework Help: Phyics

Posted by Anonymous on Friday, December 3, 2010 at 12:14am.

A 715N person walks up three flights of stairs, covering a total vertical distance of 10.5(a)If as typical, only 20% of the caloric (food) energy is converted to work by the muscles, how many joules and food calories of energy did the person use

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