Question: Air enters a turbojet engine at 320 m/s at a rate of 30 kg/s, and exits at 650 m/s relative to the aircraft. The thrust

Air enters a turbojet engine at 320 m/s at a rate of 30 kg/s, and exits at 650 m/s relative to the aircraft. The thrust developed by the engine is
(a) 5 kN
(b) 10 kN
(c) 15 kN
(d) 20 kN
(e) 26 kN

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