A person eats a dessert that contains 250 Calories. (This Calorie unit, with a capital C, is the one used by nutritionists; 1 Calorie =…

A person eats a dessert that contains 250 Calories. (This “Calorie” unit, with a capital C, is the one used by nutritionists; 1 Calorie = 4186 J.) The skin temperature of this individual is 36°C and that of her environment is 23° C. The emissivity of her skin is 0.75 and its surface area is 1.3 m2. 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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