A 16 -Mg jet airplane maintains a constant speed of 774 km / h while climbing at an angle α=18^∘ . The airplane scoops in air at a rate of 300 kg / s and discharges it with a velocity of 665 m / s relative to the airplane. If the pilot changes to a horizontal flight while maintaining the same engine setting, determine (a) the initial acceleration of the plane, (b) the maximum horizontal speed that will be attained. Assume that the drag due to air friction is proportional to the square of the speed.

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