The total surface area of a house 300 m2. The average thickness of the wall is 0.1 m. The thermal conductivity of the wall is 5 10-4 kW/(m ∙ K). Estimate the amount of energy needs to supplied to the house in a day to keep its temperature 10°C higher than outside.

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The total surface area of a house 300 m<sup>2</sup>. The average thickness of the wall is 0.1 m. The thermal conductivity of the wall is 5 10<sup>-4</sup> kW/(m ∙ K). Estimate the amount of energy needs to supplied to the house in a day to keep its temperature 10°C higher than outside.





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