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Gennadij [26K]
3 years ago
9

Imagine you are waiting for a train to pass at a railroad crossing. Will the train whistle have a higher pitch as the train appr

oaches you or after it has passed you by?
Physics
1 answer:
frosja888 [35]3 years ago
7 0
THE DOPPLER EFFECT. Anyways, it would have a higher whistle as it approaches you, when it gets to you it only gets quieter because it leaves after. Think of a motorcycle going by, its loud coming to you then as it passes it gets quieter.
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