# (a) What is the average useful power output of a person

## Problem 36PE Chapter 7

Physics: Principles with Applications | 6th Edition

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Physics: Principles with Applications | 6th Edition

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Problem 36PE

(a) What is the average useful power output of a person who does 6.00×106 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.)

Step-by-Step Solution:

Step-by-step solution Step 1 of 5 (a) The relation between the power , work and the time is, Step 2 of 5 As the time is in the time hours, the time taken by the person in second is Substitute for , for in the above equation. The average useful power output of the person is . Step 3 of 5 (b) Apply to the work energy theorem. The relation between the poProblem 36PE Problem (a) What is the average useful power output of a person who does 6.00×106 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.) wer , work and the time is,

Step 4 of 5

Step 5 of 5

##### ISBN: 9780130606204

This textbook survival guide was created for the textbook: Physics: Principles with Applications, edition: 6th. Since the solution to 36PE from 7 chapter was answered, more than 438 students have viewed the full step-by-step answer. This full solution covers the following key subjects: useful, output, work, Person, lift. This expansive textbook survival guide covers 35 chapters, and 3914 solutions. Physics: Principles with Applications was written by and is associated to the ISBN: 9780130606204. The answer to “(a) What is the average useful power output of a person who does 6.00×106 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.)” is broken down into a number of easy to follow steps, and 61 words. The full step-by-step solution to problem: 36PE from chapter: 7 was answered by , our top Physics solution expert on 03/03/17, 03:53PM.

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