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

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

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