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

تمرين 86

Assume that a tile floor and an oak floor each have the same temperature and thickness. (a) Compared with the oak floor, the tile floor will conduct heat away from your bare feet (1) faster, (2) at the same rate, (3) slower. Why (b) Calculate the ratio of the rate of heat flow of the tile floor to that of the oak floor.