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Chemistry, 22.05.2020 03:09 SoUpsup

For an observer who stays in one spot when the source of a sound is moving,

the sound wave's:

O

A. frequency changes.

O

B. amplitude decreases.

O

C. speed increases.

O

D. amplitude increases.

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Answers: 3

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For an observer who stays in one spot when the source of a sound is moving,

the sound wa...
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