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A person eats a dessert that contains 260 calories one. The skin temperature of this individual is 36 degree Celsius and that of her environment is 21 degrees Celsius. The emissivity of her skin is 0.75 and its surface area is 1.3 square. How much time would it take for her to emit a net radiant energy from her body that is equal to the energy contained in this dessert?

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