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please answer A jet engine applies a force of 300 N horizontally to the right against a 50 kg rocket. The force of air friction

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A jet engine applies a force of 300 N horizontally to the right against a 50 kg rocket. The force of air friction 200 N. If the rocket is thrust horizontally 2.0 m, the kinetic energy gained by the rocket is: A) none of these choices B) 400 J O C) 600 J D) 200 J E) 980 J

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