1) A freezer has a temperature Tc = -27°C. The air in the kitchen has a temperature Th = 29°C. The freezer is not perfectly insulated, and heat leaks through the walls of the freezer at a rate of 59 W. Find the power of the motor that is needed to maintain the temperature in the freezer.
1) A freezer has a temperature Tc = -27°C. The air in the kitchen has a temperature Th = 29°C. The freezer is not perfectly insulated, and heat leaks through the walls of the freezer at a rate of 59 W. Find the power of the motor that is needed to maintain the temperature in the freezer.
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter12: The Laws Of Thermodynamics
Section: Chapter Questions
Problem 41P: A freezer has a coefficient of performance of 6.30. The freezer is advertised as using 457 kW-h/y....
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