elreemali03
16.10.2020 •
Biology
Why does a siren have a lower pitch as it moves away from you? (hurry need answer quick and fast)
A.Diffraction causes the sound waves to bend.
B.Constructive interference causes the amplitude to decrease.
C.Wavelength increases at a very fast rate.
D.The Doppler effect causes a lower perceived pitch.
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Ответ:
D) the doppler effect
Explanation:
the sound waves are more spread out as it moves away resulting in a lower pitch
Ответ:
Ответ: