A Jet Plane in Straight Horizontal Flight Passes Over Your $\degree$

question 46

Multiple Choice

A jet plane in straight horizontal flight passes over your head.When it is directly above you, the sound seems to come from a point behind the plane in a direction 30 $\degree$ from the vertical.The speed of the plane is:

• A)the same as the speed of sound
• B)half the speed of sound
• C)three-fifths the speed of sound
• D)0.866 times the speed of sound
• E)twice the speed of sound

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Definitions:

Positive

A characteristic or attribute that denotes optimism, constructiveness, or a beneficial nature in a situation or in an individual’s demeanor.

Culture Adaptation

The process of adjusting and adapting to a culture different from one's own, often involving learning new behaviors, norms, and values.

Disintegration

The process of breaking down or being broken down into smaller parts, losing cohesion or unity.

Nervousness

A feeling of anxiety or apprehension often experienced in anticipation of a specific event or situation.