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Physics, 13.01.2021 18:00 sgillespie006p3ute8
Two floors in a building are separated by 4.1 m. People move between the two floors on a set of stairs. (a) Determine the change in potential energy of a 3.0 kg backpack carried up the stairs. (b) Determine the change in potential energy of a person with weight 650 N that descends the stairs.
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Two floors in a building are separated by 4.1 m. People move between the two floors on a set of stai...
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