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Physics, 01.07.2019 06:00 JohnJamesPaksitani
A790n person runs up a flight of 40 stairs (.25m for each step) in 20 seconds, and then down 10 steps in 5 seconds. how much total mechanical work is completed? how much total mechanical power is generated? show all work.
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A790n person runs up a flight of 40 stairs (.25m for each step) in 20 seconds, and then down 10 step...
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