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CintiaSalazar

Considering the Doppler efect, the frequency heard by the student would change if:

  • if the student walked toward the police car.
  • if the student walked away from the police car.
  • if the police car moved toward the student.
  • if the police car moved away from the student.

Doppler effect

The Doppler effect is defined as the change in the apparent frequency of a wave produced by the relative motion of the source with respect to its observer. In other words, this effect is the change in the perceived frequency of any wave motion when the sender and receiver, or observer, move relative to each other.

In summary,  there is always a change in the frequency of sound as the source of the sound moves towards or away from the observer. So, the Doppler Effect is an alteration of the observed frequency of a sound due to the movement of the source or the observer, that is, they are changes in the frequency and wavelength of a wave due to the relative movement between the wave source and the observer.

Changes on the frequency

In this case, considering the Doppler effect, the frequency heard by the student would change if:

  • if the student walked toward the police car.
  • if the student walked away from the police car.
  • if the police car moved toward the student.
  • if the police car moved away from the student.

Learn more about Doppler effect:

brainly.com/question/15307081

brainly.com/question/4052291

brainly.com/question/15097772

brainly.com/question/3841958

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