3 years ago

Please answer the question in the picture, worth 25 points

Physics

1 answer:

viktelen [127]3 years ago

5 0

Answer:

Option C, increases and decreases

Explanation:

When an object making noise approaches you, the wave frequency increases leading to a higher pitch. Conversely, when it moves away from you or retreats, the wave frequency decreases leading to a lower pitch. This can be observed in ambulance sirens.

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