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e-lub [12.9K]
2 years ago
7

2. When a fire truck moves away from you, you hear the pitch of the siren go down. This is

Physics
2 answers:
Yanka [14]2 years ago
8 0

the Doppler effect. (I don't know how to explain it lol)

algol132 years ago
3 0
Doppler is correct

an increase (or decrease) in the frequency of sound, light, or other waves as the source and observer move toward (or away from) each other. The effect causes the sudden change in pitch noticeable in a passing siren
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