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Please show all steps to understand,not Ai generated it has been wrong multiple times. A copper pipe with the diameter of 5 cm and surface

Please show all steps to understand,not Ai generated it has been wrong multiple times.

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A copper pipe with the diameter of 5 cm and surface temperature of 75 C is exposed to atmospheric air at 10 C. A) Find the rate of heat loss per unit of length on a calm day B) Find the rate of heat loss per unit of length on a breezy day when the wind speed is 5 m/s

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