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OpenStudy (anonymous):

Please please help me If a car passes a pedestrian, a change in pitch is__________. A. Perceived by the driver B. Percived by the pedestrian C. Not percived by either the pedestrian or the driver *im on mobile so I would not be able to comment or message back but will give you a medal*♡♥

OpenStudy (anonymous):

B, because the waves are travelling at different speeds relative to the pedestrian, but not relative to the driver.

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