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(a) What is the efficiency of an out-of-condition

Physics: Principles with Applications | 6th Edition | ISBN: 9780130606204 | Authors: Douglas C. Giancoli ISBN: 9780130606204 3

Solution for problem 47PE Chapter 7

Physics: Principles with Applications | 6th Edition

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Physics: Principles with Applications | 6th Edition | ISBN: 9780130606204 | Authors: Douglas C. Giancoli

Physics: Principles with Applications | 6th Edition

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Problem 47PE

(a) What is the efficiency of an out-of-condition professor who does 2.10×105 J of useful work while metabolizing 500 kcal of food energy? (b) How many food calories would a well-conditioned athlete metabolize in doing the same work with an efficiency of 20%?

Step-by-Step Solution:

Step-by-step solution Step 1 of 5 Ratio of output energy to the input energy is known as efficiency, Here is the efficiency, is the output energy and is the input energy. Step 2 of 5 (a) Use the above formula, Step 3 of 5 Substitute for and for . Therefore, the efficiency of the professor is .

Step 4 of 5

Chapter 7, Problem 47PE is Solved
Step 5 of 5

Textbook: Physics: Principles with Applications
Edition: 6
Author: Douglas C. Giancoli
ISBN: 9780130606204

This full solution covers the following key subjects: work, efficiency, food, Conditioned, doing. 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 efficiency of an out-of-condition professor who does 2.10×105 J of useful work while metabolizing 500 kcal of food energy? (b) How many food calories would a well-conditioned athlete metabolize in doing the same work with an efficiency of 20%?” is broken down into a number of easy to follow steps, and 43 words. Since the solution to 47PE from 7 chapter was answered, more than 436 students have viewed the full step-by-step answer. This textbook survival guide was created for the textbook: Physics: Principles with Applications, edition: 6. The full step-by-step solution to problem: 47PE from chapter: 7 was answered by , our top Physics solution expert on 03/03/17, 03:53PM.

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