Physics, 10.10.2019 21:00 romyknight

Karen has a mass of 57.9 kg as she rides the up escalator at woodley park station of the washington d. c. metro. karen rode a distance of 69.6 m, the longest escalator in the free world. the acceleration of gravity is 9.8 m/s 2 . how much work did the escalator do on karen if it has an inclination of 34.8 ◦ ? answer in units of j.

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Karen has a mass of 57.9 kg as she rides the up escalator at woodley park station of the washington...