College Physics with MasteringPhysics 7th Edition by Jerry Wilson,Anthony Buffa,Bo Lou

Exercise 92

A house can have a brick wall or a concrete wall with the same thickness. (a) Compared with the concrete wall, the brick wall will conduct heat away from the house (1) faster, (2) at the same rate, (3) slower. Why (b) Calculate the ratio of the rate of heat flow of the brick wall to that of the concrete wall.