A jet-propelled aircraft traveling at (225 mathrm{~m} / mathrm{s}) takes in (50 mathrm{~kg} / mathrm{s}) of air.
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A jet-propelled aircraft traveling at \(225 \mathrm{~m} / \mathrm{s}\) takes in \(50 \mathrm{~kg} / \mathrm{s}\) of air. If the propulsive efficiency (defined as the ratio of the useful work output to the mechanical energy input to the fluid) of the aircraft is 45 percent, determine the speed at which the exhaust is discharged relative to the aircraft.
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Related Book For 
Fox And McDonald's Introduction To Fluid Mechanics
ISBN: 9781118912652
9th Edition
Authors: Philip J. Pritchard, John W. Mitchell
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