Posted by **Ivan** on Sunday, February 19, 2012 at 4:30pm.

An unclothed student is in 24

◦

C room.

If the skin temperature of the student is

37

◦

C, how much heat is lost from his body

in 6 min, assuming that the emissivity of the

skin is 0.83 and the surface area of the student

is 1.5 m2

. The Stephan-Boltzmann constant

is 5.6696 × 10

−8 W/m2

· K

4

.

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