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Physics, 27.02.2021 07:20 aleilyg2005

#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

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