#4 A wood box [k = 0.16 W/(m degree C) ] is kept at a constant temperature of 20 degrees C by an electric heater. The box is 0.4 x 0.4 x 0.4 m, and its walls
are 2.5 cm thick. If the temperature outside the box is 4 degrees C, how much
power will the heater use? (Include the base of the box in the area.)
(W=?) I need to solve for w

You want to lose weight and have been trying to decide which type of fad diet is best for you. you ask your doctor, who responds that a. fad diets are a temporary fix but generally don't have any side effects b. fad diets can be used several times a year to maintain a healthy weight c. fad diets can be risky for your health and, in the long run, do not work d. fad diets should never be used one right after the other; there should be a break between them select the best answer from the choices provided. a b c d