Figure P5.55 shows the configuration of the center (tailmounted) jet engine on an airliner. The airliner is cruising at altitude, and the velocities shown are relative to an observer on board. Calculate the thrust force that the engine exerts on the airplane.

Figure P5.55

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D = 1.0 m mtuel = 3 kg/s D = 0.75 m V = 250 m/s P1 = 0.4 kg/m P1 Pamb = 40 kPa Engine F thrust force of engine on plane P = 0.44 kg/m P = 63 kPa (nozzle exit only)