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April 23, 2014

Homework Help: physics

Posted by Student B on Sunday, June 12, 2011 at 8:57pm.

A 735 N person walks up three flights of stairs, covering a total vertical distance of 10.0 m. If, as is typical, only 20.0% of the caloric (food) energy is converted to work by the muscles, how many joules and food calories of energy did the person use? (One food calorie 4186 J.)

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