February 27, 2017

Homework Help: physcis

Posted by Kidda on Tuesday, April 6, 2010 at 11:30am.

Seals may cool themselves by using thermal windows, patches on their bodies with much higher than average surface temperature. Suppose a seal has a 0.030 m^2 thermal window at a temperature of 30 degree C. If the seal’s surroundings are a frosty -10 degree C, what is the net rate of energy loss by radiation? Assume an emissivity equal to that of a human.

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