A carpenter builds an exterior house wall with a layer of wood 3.0 cm thick on the

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A carpenter builds an exterior house wall with a layer of wood 3.0 cm thick on the outside and a layer of Styrofoam insulation 2.2 cm thick on the inside wall surface. The wood has k = 0.080W/m·K and the Styrofoam has k = 0.0l0W/m·K. The interior surface temperature is 19.0°C, and the exterior surface temperature is –l0.0°C.
(a) What is the temperature at the plane where the wood meets the Styrofoam?
(b) What is the rate of heat flow per square meter through this wall?
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Physics

ISBN: 978-0077339685

2nd edition

Authors: Alan Giambattista, Betty Richardson, Robert Richardson

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