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In: Mechanical Engineering

Consider an airplane modeled after the twin-engine Beechcraft Queen Air executive transport. The airplane has the...

Consider an airplane modeled after the twin-engine Beechcraft Queen Air executive transport. The airplane has the following characteristics: weight is 38,220 N; wing area is 27.3 m2; aspect ratio is 7.5; Oswald efficiency factor is 0.9; and zero-lift drag coefficient CD,0 is 0.03.

1) Calculate the thrust required to fly at a velocity of 725 km/h at standard sea level. Assume the value of ?? = 1.225 kg/m3 at standard sea level. (Round the final answer to the nearest whole number.) The thrust required to fly at a velocity of 725 km/h at standard sea level is _______N.

2) Calculate the thrust required to fly with a velocity of 725 km/h at an altitude of 4.5 km. Assume the value of ?? = 0.777 kg/m3 at an altitude of 4.5 km. (Round the final answer to the nearest whole number.) The thrust required to fly with a velocity of 725 km/h at an altitude of 4.5 km is _______ N.

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samet mamat answered 2 years ago
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