Question: A straight rectangular fin 2.0cm thick and 14cm long is constructed of steel and placed on the outside of a wall maintained at 200C. The

A straight rectangular fin 2.0cm thick and 14cm long is constructed of steel and placed on the outside of a wall maintained at 200C. The environment temperature is 15C, and the heat-transfer coefficient for convection is 20W/m2.C. Calculate the heat lost from the fin per unit depth

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