Homework Help: Physics

Posted by Ethan on Tuesday, January 31, 2012 at 7:36pm.

Karen has a mass of 62.60 kg and she rides the up escalator at Woodley Park Station of the Washington D.C. Metro. Karen rode a distance of 62 m, the longest escalator in the free world. How much work did the escalator do on Karen if it has an inclination of 35°?

Physics - drwls, Tuesday, January 31, 2012 at 8:09pm
Work = M*g*L*sin235

L = 62 m
L sin35 is the elevation gain

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