Physics, 26.11.2019 01:31, shelatzcreed

Karen has a mass of 56.2 kg as she rides the up escalator at woodley park station of the washington d. c. metro. karen rode a distance of 60.4 m, one of the longest escalators in the 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 28.9 ◦ ?

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Karen has a mass of 56.2 kg as she rides the up escalator at woodley park station of the washington...