Question

how do i solve this problem?

Multiple-Concept Example 8 reviews the approach that is used in problems such as this. A person eats a dessert that contains 180 Calories. (This "Calorie" unit, with a capital C, is the one used by nutritionists; 1 Calorie = 4186 J. See Section 12.7.) The skin temperature of the person is 36 °C and that of her environment is 17 °C. The emissivity of her skin is 0.84 and its surface area is 1.1 m². How many hours would it take her to emit a net radiant energy from her body that is equal to the energy contained in this dessert? Heat from environment Heat from person Number Units

Answer 1

a tro e het Power as given by, P, = TACT" -To"). aho, PESS =) +: @ride jag inte 4. Pz 15.67X16*%x (1.2) (0.04) (9094-2904) Pa 1:0707 xlo! ta (100)14186) * 47.037 x Pols. 10707 x 1.08 loti 9.037 . xlxlhr Ita 19547x15 16 hry