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What happens to sound waves from an object as it moves toward you?(1 point) Responses

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Answer:

Suppose the object were stationary and emitting waves that had a distance of 1 m between crests - the receiver would receive waves that had a distance of 1 between crests

Suppose the object were moving towards the receiver, then there would no longer be 1 m between the crests as measured in the laboratory frame because of movement of the object.

Then the receiver would receive waves that were less than 1 m apart and would report a higher frequency than if the object were stationary,

User Pham Minh Tan
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