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26. It takes your 74 kg partner takes 5.9s to run up the stairs of the staircase a If each stair is 12.4 cm tall, and there are 42 stairs to climb, how much work did they do? b. How much was their average power

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O n maM o body , CA 9 totol haight body bodi/ climbed (12 4 cm) (v2) woik dona Chang- Po e*, 976.8 640、14 W

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