Homework Help: Physics

Posted by StressedStudent on Wednesday, December 5, 2012 at 12:53am.

The latent heat of vaporization of H2O at body temperature (37°C) is 2.42 x 106 J/kg. To cool the body of a 77.6-kg jogger [average specific heat capacity = 3500 J/(kg C°)] by 2.78 C°, how many kilograms of water in the form of sweat have to be evaporated?

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