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Biology, 24.07.2019 04:00 payshencec21

Atruck is blowing its horn as it approaches a bystander at an intersection. according to the doppler effect, the bystander will notice that the sound- a. increases in pitch b. increases in wavelength c. decreases in frequency d. decreases in speed

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Atruck is blowing its horn as it approaches a bystander at an intersection. according to the doppler...

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