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Question-
In an electrically heated home, the temperature of the ground in contact with a concrete basement wall is 12.0C. The temperature at the inside surface of the wall is 22.0C. The wall is 0.10m thick and has an area of 10.0m^2. Assume the one kilowatt*hour of electrical energy costs $0.10. How many hours are required for one dollar's worth of energy to be conducted through the wall?
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