Which of these best describes a flight that is approaching the speed of
sound?
A. More drag i...
Chemistry, 21.11.2020 22:30 nockturnal1993
Which of these best describes a flight that is approaching the speed of
sound?
A. More drag is created because the air molecules are not moving
out of the way of the airplane.
B. Subsonic speeds help the engines work more efficiently.
C. Less lift is created because there are fewer air molecules.
O D. There is not enough thrust to propel the airplane past the sound
waves.
Answers: 2
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