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03-04-2017
Physics

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A student who weighs 500N climbed the stairs from the first floor to the third floor, 15m above, in 20s. What was her power? *

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03-04-2017

For the gravitational force F, the Work is given by W = F*h, where h represents the height of the student.
Power P = W / t, where t is time.

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