belcasasanta26 belcasasanta26

20-08-2016
Physics

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An observer notes that the pitch of a sound is becoming progressively lower. The observer can conclude that the sound is moving

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starrdarren1 starrdarren1

20-08-2016

The source of the sound is moving away from the receiver.

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21-08-2016

He can conclude that the source of the sound is moving away from him and that its speed is increasing.

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