(a) What is the average useful power output (in W) of a person who does 5.3x106 J of useful work in 8.2 h? (b) Working a
Posted: Sun Jul 10, 2022 12:11 pm
(a) What is the average useful power output (in W) of a person who does 5.3x106 J of useful work in 8.2 h? (b) Working at this rate, how long (in s) will it take this person to lift 1800 kg of bricks 1.6 m to a platform? (Work done to lift his body can be omitted because it is not considered useful output here.)