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A freezer has a coefficient of performance equal to 4.0.

Physics with MasteringPhysics | 4th Edition | ISBN: 9780321541635 | Authors: James S. Walker ISBN: 9780321541635 54

Solution for problem 61P Chapter 18

Physics with MasteringPhysics | 4th Edition

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Physics with MasteringPhysics | 4th Edition | ISBN: 9780321541635 | Authors: James S. Walker

Physics with MasteringPhysics | 4th Edition

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Problem 61P

Problem 61P

A freezer has a coefficient of performance equal to 4.0. How much electrical energy must this freezer use to produce 1.5 kg of ice at −5.0 °C from water at 15 °C?

Step-by-Step Solution:

Solution 61P

Step 1 of 3

Here, we have to find out the electrical energy needed to freeze the water to the ice.

The coefficient of performance of the refrigerator,

 ------------------(1)

Where,  - Heat energy taken from the cold reservoir

              - Work done as input

Step 2 of 3

Chapter 18, Problem 61P is Solved
Step 3 of 3

Textbook: Physics with MasteringPhysics
Edition: 4
Author: James S. Walker
ISBN: 9780321541635

This full solution covers the following key subjects: freezer, much, Energy, equal, coefficient. This expansive textbook survival guide covers 32 chapters, and 3833 solutions. Physics with MasteringPhysics was written by and is associated to the ISBN: 9780321541635. This textbook survival guide was created for the textbook: Physics with MasteringPhysics, edition: 4. The answer to “A freezer has a coefficient of performance equal to 4.0. How much electrical energy must this freezer use to produce 1.5 kg of ice at ?5.0 °C from water at 15 °C?” is broken down into a number of easy to follow steps, and 32 words. The full step-by-step solution to problem: 61P from chapter: 18 was answered by , our top Physics solution expert on 07/27/17, 10:59AM. Since the solution to 61P from 18 chapter was answered, more than 325 students have viewed the full step-by-step answer.

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A freezer has a coefficient of performance equal to 4.0.