Problem: What is the net power that a dog with surface area of 0.075 m2 radiates if his emissivity is 0.75, his skin temperature is 315 K, and he is in a room with a temperature of 290 K? The Stefan-Boltzmann constant is 5.67 x 10-8 W/(m2•K4).
Show how you get the answer, so that I can better understand how to do it.