An average-sized home refrigeration unit has a 1/19−hp fan motor for blowing air over the inside cooling coils, a 1/25−hp fan motor for blowing air over the outside condenser coils, and a 0.16−hp compressor motor. (Note: 1.00 hp=746 W) ( /2) (a) Working together, the three motors use electric energy at what rate? Answer: Energy = ____Watts (b) If electricity costs $0.14/kWh, what is the cost of running the unit per hour? Answer: cost = ______$ .
An average-sized home refrigeration unit has a 1/19−hp fan motor for blowing air over the inside cooling coils, a 1/25−hp fan motor for blowing air over the outside condenser coils, and a 0.16−hp compressor motor. (Note: 1.00 hp=746 W) ( /2) (a) Working together, the three motors use electric energy at what rate? Answer: Energy = ____Watts (b) If electricity costs $0.14/kWh, what is the cost of running the unit per hour? Answer: cost = ______$ .
Physics for Scientists and Engineers, Technology Update (No access codes included)
9th Edition
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter33: Alternating Current Circuits
Section: Chapter Questions
Problem 33.6CQ: As shown in Figure CQ33.6, a person pulls a vacuum cleaner at speed v across a horizontal floor,...
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An average-sized home refrigeration unit has a 1/19−hp fan motor for blowing air over the inside cooling coils, a 1/25−hp fan motor for blowing air over the outside condenser coils, and a 0.16−hp compressor motor. (Note: 1.00 hp=746 W) ( /2)
(a) Working together, the three motors use electric energy at what rate?
Answer: Energy = ____Watts
Answer: Energy = ____Watts
(b) If electricity costs $0.14/kWh, what is the cost of running the unit per hour?
Answer: cost = ______$ .
Answer: cost = ______$ .
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