A 55kg student runs up a flight of stairs in 20s. The distance and height of the stairs are shown. Neglect loss. ist the energy types at the initial and final time and whether work and loss (due to non- onservative forces) occur as well as the corresponding amounts of energy. nitial: none vork? work oss? no loss v = 45m inal: GPE 10m Vhat was her average power output? rad reference level
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