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posted by usman on Tuesday, April 19, 2011 at 2:48am.

How much power is used by a 50Kg athlete in climbing a 10m high ladder in 9.8 sec? 1000 J 2000 J 3000 J 4000 J

m g h/t = 50 * 9.8 * 10 / 9.8 = 500

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