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July 23, 2014

Homework Help: PHYSICS

Posted by STEPHANIE on Monday, January 11, 2010 at 12:03am.

Gerry, who weighs 500 newtons, is late for class. It takes her 7.5 seconds to run up two flights of stairs, a total height of 8.0 meters. How much power does Gerry expend in her run upstairs?

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