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April 18, 2014

Homework Help: ap physics

Posted by anna on Friday, February 25, 2011 at 4:51pm.

Karen has a mass of 48.2 kg as she rides
the up escalator at Woodley Park Station of
the Washington D.C. Metro. Karen rode a
distance of 65.7 m, the longest escalator in
the free world.
The acceleration of gravity is 9.8 m/s2 .
How much work did the escalator do on
Karen if it has an inclination of 32.9?
Answer in units of J

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