How much energy (kcal) would a human body lose by radiation in one day if the person were naked in empty space (not incl

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answerhappygod
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How much energy (kcal) would a human body lose by radiation in one day if the person were naked in empty space (not incl

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How much energy (kcal) would a human body lose by radiation in
one day if the person were naked in empty space (not including the
gain from the surroundings)? Assume body temperature = 310 K,
surface area of an adult = 2 m^2, emissivity = 1.
a) 20000 kcal
b) 10000 kcal
c) 100 kcal
d) 5 kcal
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