Multiple Choice
When a rocket is traveling toward a mountain at 100 m/s, the sound waves from this rocket's engine approach the mountain at speed V. If the rocket doubles its speed to 200 m/s, the sound waves from the engine will now approach the mountain at speed
A) 4V.
B) 2V.
C) V.
D) V.
Correct Answer:

Verified
Correct Answer:
Verified
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