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MMLU-Pro / 9292 / An airplane is flying at Mach 0.5 and carries a sound source that emits a…

Problem

Answer published by the source. Consult the official source to check your work against its answer.

question

An airplane is flying at Mach 0.5 and carries a sound source that emits a 1000-Hz signal. What frequency sound does a listener hear if he is in the path of the air-plane after the airplane has passed?

category

physics

options

  1. 1000-Hz sound
  2. 500-Hz sound
  3. 2000-Hz sound
  4. 1250-Hz sound
  5. 667-Hz sound
  6. 1100-Hz sound
  7. 750-Hz sound
  8. 800-Hz sound
  9. 850-Hz sound
  10. 1500-Hz sound

src

stemez-Physics

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