(a) What is the average useful power output of a person who does 6.00x10^6 J of useful work in 8.00 h? (b) Working at this rate, how long will it take this person to lift 2000 kg of bricks 1.50 m to a platform?
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36. (a) What is the average useful power output of a person who does 6.00x10^6 J of useful work in 8.00 h?
(b) Working at this rate, how long will it take this person to lift 2000 kg of bricks 1.50 m to a platform? (Work done to lift his body can be omitted because it is not considered useful output here.)
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