A 1000-W iron is left on the ironing board with its base exposed to the air at 23oC. The convection heat transfer coefficient between the base surface and the surrounding air is 20 W/m2·8C. If the base has an emissivity of 0.4 and a surface area of 0.02 m2, determine the temperature of the base of the iron.

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1000-W iron Air 23°C FIGURE P2-101