a) A hot water heater in a residential home runs for an average of 3 hours per day with a heat energy input of 4.1 kW. What would be the annual cost for hot water in this home using an electric hot water heater if the cost of electricity is $0.13/kWh [round your final answer to zero decimal places]? b) A hot water heater in a residential home runs for an average of 3.2 hours per day with a heat energy input of 3.7 kW. What would be the annual cost for hot water in this home using a gas hot water heater if the cost of natural gas is $0.33/m3? The gas water heater can get 23 MJ of energy from 1 m3 of natural gas. [round your final answer to zero decimal places]?
a) A hot water heater in a residential home runs for an average of 3 hours per day with a heat energy input of 4.1 kW. What would be the annual cost for hot water in this home using an electric hot water heater if the cost of electricity is $0.13/kWh [round your final answer to zero decimal places]? b) A hot water heater in a residential home runs for an average of 3.2 hours per day with a heat energy input of 3.7 kW. What would be the annual cost for hot water in this home using a gas hot water heater if the cost of natural gas is $0.33/m3? The gas water heater can get 23 MJ of energy from 1 m3 of natural gas. [round your final answer to zero decimal places]?
College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter7: Work, Energy, And Energy Resources
Section: Chapter Questions
Problem 43PE: (a) Calculate the power per square meter reaching Earth's upper atmosphere from the Sun. (Take the...
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a) A hot water heater in a residential home runs for an average of 3 hours per day with a heat energy input of 4.1 kW. What would be the annual cost for hot water in this home using an electric hot water heater if the cost of electricity is $0.13/kWh [round your final answer to zero decimal places]?
b) A hot water heater in a residential home runs for an average of 3.2 hours per day with a heat energy input of 3.7 kW. What would be the annual cost for hot water in this home using a gas hot water heater if the cost of natural gas is $0.33/m3? The gas water heater can get 23 MJ of energy from 1 m3 of natural gas. [round your final answer to zero decimal places]?
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