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3. A heat pump is used to heat a building. The outside temperature is 25.0 °C and the temperature inside the building is to remain at 22 °C. The pump's coefficient of performance is 3.8 and the heat pump delivers 7.54 MJ of heat to the building each hour. If the heat pump is a Carnot engine working in reverse, at what rate must work be done to run it? Answer: 436 W

3. A heat pump is used to heat a building. The outside temperature is 25.0 °C and the temperature inside the building is to remain at 22 °C. The pump's coefficient of performance is 3.8 and the heat pump delivers 7.54 MJ of heat to the building each hour. If the heat pump is a Carnot engine working in reverse, at what rate must work be done to run it? Answer: 436 W

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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3. A heat pump is used to heat a building. The outside temperature is 25.0 °C and the temperature inside the building is to remain at 22 °C. The pump's coefficient of performance is 3.8 and the heat pump delivers 7.54 MJ of heat to the building each hour. If the heat pump is a Carnot engine working in reverse, at what rate must work be done to run it? Answer: 436 W
Transcribed Image Text:3. A heat pump is used to heat a building. The outside temperature is 25.0 °C and the temperature inside the building is to remain at 22 °C. The pump's coefficient of performance is 3.8 and the heat pump delivers 7.54 MJ of heat to the building each hour. If the heat pump is a Carnot engine working in reverse, at what rate must work be done to run it? Answer: 436 W
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