You have no doubt noticed that you usually shiver when you get out of the shower

Question

You have no doubt noticed that you usually shiver when you get out of the shower. Shivering is the body's way of generating heat to restore its internal temperature to the normal 37.0, and it produces approximately 292 of heat power per square meter of body area. A 66.0 (146 ), 1.78 (5.00 foot, 10.0 inch ) person has approximately 1.90 of surface area. How long would this person have to shiver to raise his or her body temperature by 1.00, assuming that none of this heat is lost by the body? The specific heat capacity of the body is about 3500 .

Explanation / Answer

the energy required to raise the body temperature by 1 degreeis as no where units are mentioned we assume 1 as 1 degree 3500 as J/kgdegree    and 1.90 as 1.90m*m let the average mass be 65kg so the heat required to raise the temperature by 1 degree is 3500*65*1 say he has to shiver for t seconds we have 1.9*292*t=3500*65 so t=410sec=6.83 minutes

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