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Air flows over a flat plate at a constant velocity of 20 m/s and ambient conditions of 20 kPa and 20C. The plate is heated

Air flows over a flat plate at a constant velocity of 20 m/s and ambient conditions of 20 kPa and 20°C. The plate is heated to a constant temperature of 75°C, starting at a distance of 7.5 cm from the leading edge. What is the total heat transfer from the leading edge to a point 35 cm from the leading edge?

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