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
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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Transcribed Image Text:A 55kg student runs up a flight of stairs in 20s. The distance and height of the stairs
are shown, Neglect loss.
List the energy types at the initial and final time and whether work and loss (due to non-
conservative forces) occur as well as the corresponding amounts of energy.
initial:
none
work?
work
V =
loss?
no loss
45m
final:
GPE
10m
What was her average power output?
rad
reference level
check answers
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