GATE AE 2023 AE Q40: Airplane Performance

Consider a general aviation airplane with weight 10 kN and a wing planform area of 15 m

. The drag coefficient of the airplane is given as

with

and

. For level flight at an altitude where the density is 0.60 kg/m

and thrust 1 kN, the maximum cruise speed is (rounded off to the nearest integer)

Your answerChoose one option.

87 m/s

30 m/s

36 m/s

101 m/s

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