Physics, 10.12.2020 21:20, lllmmmaaaooo

Sally can run 3 flights of stairs in 25 seconds. Each stair is 0.15 meter tall and there are 15 stairs in one flight. Sally has a mass of 55 kg. Her legs are 0.75 meters long, and we assume that gravity is 9.8 m/s2

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Sally can run 3 flights of stairs in 25 seconds. Each stair is 0.15 meter tall and there are 15 stai...