Multiple Choice
When a plane exceeds the speed of sound, a sonic boom is produced by the wake of the sound waves. For a plane flying at 13,000 feet, the circular wave front can be given by where z is the height of the wave front above Earth. See the diagram below. Note that the xy -plane is Earth s surface, which is approximately flat over small distances. Find and name the equation formed when the wave front hits Earth.
A)
B) e
C)
D)
E)
Correct Answer:

Verified
Correct Answer:
Verified
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