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5. Consider a typical (adult) student. (a) Estimate (using scientific calculations) the NET amount of energy...

5. Consider a typical (adult) student. (a) Estimate (using scientific calculations) the NET amount of energy being emitted by the student each second (your answers should be in Watt)? Assume the room is at a temperature of 20 degrees celsius, that the student (and the surroundings) emit as a blackbody, that the student is also a perfect absorber, and ignore the influence of clothes. (b) How does your answer compare to the energy requirements of a typical (adult) student? (c) Compute the wavelength at which the emission of the human body peaks? In what spectral region does the peak occur? (d) How would clothes affect your answer? Note: 1 Calorie (as used for food) is 1000 calories (i.e., 1 kcal). 1 calorie (small c) is the energy required to raise the temperature of 1 gm of water by 1 o C and is equivalent to 4.1868 joules.

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