Consult Multiple-Concept 8 to see the concepts that arepertinent here. A person\

Question

Consult Multiple-Concept 8 to see the concepts that arepertinent here. A person's body is producing energy internally dueto metabolic processes. If the body loses more energy thanmetabolic processes are generating, its temperature will drop. Ifthe drop is severe, it can be life-threatening. Suppose a person isunclothed and energy is being lost via radiation from a bodysurface area of 1.34 m2, which has a temperature of 34°C and an emissivity of 0.723. Suppose that metabolic processesare producing energy at a rate of 142 J/s. What is the temperaturein Kelvin of the coldest room in which this person could stand andnot experience a drop in body temperature? Consult Multiple-Concept 8 to see the concepts that arepertinent here. A person's body is producing energy internally dueto metabolic processes. If the body loses more energy thanmetabolic processes are generating, its temperature will drop. Ifthe drop is severe, it can be life-threatening. Suppose a person isunclothed and energy is being lost via radiation from a bodysurface area of 1.34 m2, which has a temperature of 34°C and an emissivity of 0.723. Suppose that metabolic processesare producing energy at a rate of 142 J/s. What is the temperaturein Kelvin of the coldest room in which this person could stand andnot experience 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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