Quizzes & Puzzles1 min ago
Jet engines
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How does a jet engine get 40 tonnes of the ground at 180 mph in 2500 m from a standing start ?
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For more on marking an answer as the "Best Answer", please visit our FAQ.And they do that by producing an enormous amount of thrust measured in pounds. The formula is: Thrust= weight of air in pounds per second X velocity divided by 32.2, which is the normal acceleration due to gravity in feet per second. Thus an unaccelrated turbojet engine can continously produce a large amount of thrust from a relatively small, light weight engine. Large engines such as on the Boeing 777 produce nearly 128,000 pounds of thrust. at sea level...