In an electrically heated home, the temperature of the ground in contact with a concrete basement wall is 11.2°C. The te

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In An Electrically Heated Home The Temperature Of The Ground In Contact With A Concrete Basement Wall Is 11 2 C The Te 1 (24.33 KiB) Viewed 9 times

In an electrically heated home, the temperature of the ground in contact with a concrete basement wall is 11.2°C. The temperature at the inside surface of the wall is 19.4°C. The wall is 0.20 m thick and has an area of 8.6 m2. Assume that 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? Number Units hes e Textbook and Media Hint Assistance Used One kilowatt hour is equal to 3.6 x 10° J. The thermal conductivity of concrete is 1.1 W/(m.).