A person is walking outdoors on a cold day when the temperature is -20°C.He is breathing at the rate of 16 breaths per minute,and each time he breathes in he inhales 0.0050 m³ of air.At what rate does he lose heat from breathing if the air in his lungs is heated to body temperature (37°C)before it is exhaled? The specific heat of air is 1020 J/kg ∙ K and the density of air is 1.29 kg/m³. A)60 W B)90 W C)100 W D)150 W E)300 W

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The Answer of A person is walking outdoors on a cold day when the temperature is -20°C.He is breathing at the rate of 16 breaths per minute,and each time he breathes in he inhales 0.0050 m³ of air.At what rate does he lose heat from breathing if the air in his lungs is heated to body temperature (37°C)before it is exhaled? The specific heat of air is 1020 J/kg ∙ K and the density of air is 1.29 kg/m³. A)60 W B)90 W C)100 W D)150 W E)300 W

A Person Is Walking Outdoors on a Cold Day When