Exam (215).pdf - Question Consider an airplane patterned...

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Question:Consider an airplane patterned after the Fairchild Republic A-10, atwin-jet attack aircraft. The airplane has the followingcharacteristics: wing area = 47m2, aspect ratio = 6.5, Oswaldefficiency factor = 0.87, weight = 103,047N, and zero-lift dragcoefficient = 0.032. The airplane is equipped with two jet engineswith 40.298 N of static thrust each at sea level.a. Calculate and plot the power-required curve at sea level.b. Calculate the maximum velocity at sea level.c. Calculate and plot the power-required curve at 5-km altitude.d. Calculate the maximum velocity at 5-km altitude. (Assume theengine thrust varies directly with free-stream density.)
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