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Physics, 23.04.2020 04:53 laylay120

Why does a siren have a higher pitch as it approaches you?

The amplitude of the sound wave is increased.

The crests of the sound wave are spaced closer together.

The troughs of the sound wave are farther apart.

The period of the sound wave is increased.

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Why does a siren have a higher pitch as it approaches you?

The amplitude of the sound wa...

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