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A student who weighs 500 N climbed the stairs from the firstfloor to the third floor, 15 m above, in 20 sec.
a) How much work did she do?b) What was her power?
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Question: This problem concerns the properties of circular orbits for a satellite of mass m orbiting a planet of mass M in an almost circular orbit of radius r. In doing this problem, you are to assume that the planet ha ...
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