a 60 kg woman runs up a staircase 15 m high (vertically) in 20 s. (a) how much power does she expend? (b) what is her horsepower rating?:confused::confused:

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- Aug 2nd 2007, 11:23 AMtwistedmexicanphysics
a 60 kg woman runs up a staircase 15 m high (vertically) in 20 s. (a) how much power does she expend? (b) what is her horsepower rating?:confused::confused:

- Aug 2nd 2007, 11:32 AMCaptainBlack