AT&T; LTE 9:07 AM * 75%) bblearn.uca.edu A back-and-froth motion that repeats ts

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AT&T; LTE 9:07 AM * 75%) bblearn.uca.edu A back-and-froth motion that repeats tself is called a A disturbance that causes particles to move closer together or farther apart in the same direction that the wave is moving is called Sounds which are too low-frequency to be heard by humans are caled An object which emits sound waves at a constant frequency approaches an observer at a high speed. The observer will hear sound that has a frequencythe frequency emitted by the object Two sources of sound at slightly different frequencies will produce called

Explanation / Answer

1)vibration.

2) in longitudanal wave only the particles motion and the wave propegation both are in same direction.

3)infra sound waves are lower frequencies naturally heard by human

4)more than according to doppler effect.

5)beats

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