The atmosphere is commonly divided into layers by

The lowest layer of the atmosphere is called the

The angle between the longitudinal axis of an airplane and the chord line of the wing is the

How does aspect ratio impact the lift curve slope?

As altitude increases, the speed of sound

When is wave drag considered to be part of the drag equation?

Aircraft wings typically operate at high Reynolds numbers because this:

What are characteristics of expansion waves (select all that apply)?

Bernoulli’s principle states that an _____________ in the speed of a fluid occurs simultaneously with a decrease in static pressure or the fluid’s potential energy. 

The average height of the troposphere in the middle latitudes is most closely to