A Person Has a Thermal Conductivity of 0 $\degree$ F,and His Skin Has a Surface Area of 1

Multiple Choice

A person has a thermal conductivity of 0.18 W/m·K between his inner core and his skin with an effective shell thickness of 1.8 cm between his core and skin.If his inner core is at the normal 98.6 $\degree$ F,and his skin has a surface area of 1.64 ,what will be his rate of loss of thermal energy due to conduction through his skin if his skin temperature is 31.0 $\degree$ ?

A) 65 W
B) 52 W
C) 89 W
D) 98 W