If a source of sound waves is rapidly approaching a person, the sound heard by the person appears to have A. a period higher than the original period. B. an amplitude lower than the original amplitude. C. a pitch lower than the original pitch. D. a frequency higher than the original frequency.
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Question
Updated 102 days ago|7/18/2020 1:37:21 AM
Original conversation
User: If a source of sound waves is rapidly approaching a person, the sound heard by the person appears to have A. a period higher than the original period. B. an amplitude lower than the original amplitude. C. a pitch lower than the original pitch. D. a frequency higher than the original frequency.

Weegy: If a source of sound waves is rapidly approaching a person, the sound heard by the person appears to have: a frequency higher than the original frequency.
|Score 1|sharpies|Points 8768|

User: Your brother is insisting that you'll never hear a sound produced behind a barrier wall at the end of your yard. You notice that the door within the wall is open and quickly explain to him that the sound will be able to reach you due to A. focusing. B. reverberation. C. diffraction. D. diffusion.

Weegy: Your brother is insisting that you'll never hear a sound produced behind a barrier wall at the end of your yard. You notice that the door within the wall is open and quickly explain to him that the sound will be able to reach you due to: diffraction.
|Score .9955|emdjay23|Points 160404|

User: If a wave has a wavelength of 9 meters and a period of 0.006, what is the velocity of the wave? A. 1,800 m/s B. 1,200 m/s C. 1,500 m/s D. 1,285 m/s

Question
Updated 102 days ago|7/18/2020 1:37:21 AM
Rating
8
If a wave has a wavelength of 9 meters and a period of 0.006, the velocity of the wave is 1500 m/s.
wavelength = wave velocity / frequency ,wavelength = c / f , 9 = c/(1/ 0.006) ,c = 9 *1/0.006 = 1500 m/s
Added 102 days ago|7/18/2020 1:37:21 AM

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