The thermal conductivity of concrete is 0.80 W/m-C° and the thermal conductivity of wood is 0.10 W/m-C°. How thick would a solid concrete wall have to be in order to have the same rate of flow through it as an 8.0 cm thick wall made of solid wood? (Assume both walls have the same surface area.)

Answer 1

it would have to be 8 times as thick
64 cm (pretty thick :)

Answer 2

thank you so much damon

Answer 3

You are welcome.