Multiple Choice
If a plane is flying at a speed so that the apex half-angle of its shockwave is 30°, what is its speed if the speed of sound is 320 m/s?
A) 960 m/s
B) 640 m/s
C) 320 m/s
D) 160 m/s
E) Choose this answer if a shock wave cannot form in this situation.
Correct Answer:

Verified
Correct Answer:
Verified
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