A person\'s body is producing energy internally due to metabolicprocesses. If th

Question

A person's body is producing energy internally due to metabolicprocesses. If the body loses more energy than metabolic processesare generating, its temperature will drop. If the drop is severe,it can be life-threatening. Suppose a person is unclothed andenergy is being lost via radiation from a body surface area of 1.54m2, which has a temperature of 34 °C and anemissivity of 0.733. Suppose that metabolic processes are producingenergy at a rate of 165 J/s. What is the temperature in Kelvin ofthe coldest room in which this person could stand and notexperience a drop in body temperature?

Explanation / Answer

   from the theory we hyave the equation    Pnet = e A (T4- To4)    the temperature conversion will be    T = 34 + 273       = 307 K    To = [T4 -(Pnet / e A)]         = ..........K

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