A hot water heater in a residential home runs for an average of 2.2 hours per day with a heat energy input of 3.8 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 $0.35/m3?  The gas water heater can get 21 MJ of energy from 1 m3 of natural gas.

College Physics
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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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A hot water heater in a residential home runs for an average of 2.2 hours per day with a heat energy input of 3.8 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 $0.35/m3?  The gas water heater can get 21 MJ of energy from 1 m3 of natural gas. [round your final answer to zero decimal places]?

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