margrethefroland margrethefroland

26-02-2024
Physics

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3. My solar hot-water system has a 120-gallon storage tank with a surface area of 4,3 m?. It's insulated with 5-cm-thick urethane foam, and the water in the tank is at 76°C. It's in the basement, where the ambient temperature is 15°C. What's the rate of heat loss from the tank?

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