A person is losing thermal energy through the skin at a rate of 120 W when his skin temperature is 30 C.He puts on a sweater,and his skin temperature rises to 33 C.The effective thermal conductivity between his core and the environment changes from 0.22 W/m·K to 0.18 W/m·K.At what rate is he now losing thermal energy?
A) 98 W
B) 69 W
C) 63 W
D) 56 W
Correct Answer:
Verified
Q49: Dmitri places one end of a copper
Q58: The thermal conductivity of aluminum is
Q61: A storage area,which is maintained at
Q62: The emissivity of an ideal reflector has
Q64: A metal bar is used to
Q65: What temperature increase is necessary to increase
Q66: The tungsten filament of a light bulb
Q67: I place a 500-g ice cube
Q69: In winter,light-colored clothes will keep you warmer
Q91: Carbon dioxide and water molecules in the
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents