Air enters a duct with constant area at the pressure of 139 kPa, temperature of 293 K, and velocity of 60 m/s. To change the exit gas temperature to 1128 K, what frictionless heat addition will be...

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Extracted text: Air enters a duct with constant area at the pressure of 139 kPa, temperature of 293 K, and velocity of 60 m/s. To change the exit gas temperature to 1128 K, what frictionless heat addition will be needed? Assumey = 1.4 and Cp = 1.2 kJ/kgK.