Physics

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A jet aircraft is traveling at 180 m/s in horizontal flight. The engine takes in air at a rate of 77.0 kg/s and burns fuel at a rate of 3.15 kg/s. The exhaust gases are ejected at 595 m/s relative to the speed of the aircraft. Find the thrust of the jet engine. (Take the direction the jet is going to be the positive direction. Indicate the direction with the sign of your answer.)
The correct answer is 33.8 kN can someone show me how to get that answer??

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