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36) (a) What is the average useful power output of a person who does 6.00 x...

36) (a) What is the average useful power output of a person who does 6.00 x 10^6 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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Answer #1

sol ena dw = tobu wni dou and dt hme.nlenval. = 2000x9-3 x1.5 J . Tima ken to do tha necessaty waTK 29400 All the bes!

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