Asked by Iris
A sound of constant frequency is produced by the si-ren on top of a firehouse. Compared to the frequen-cy produced by the siren, what is the frequency heard by a firefighter approaching the firehouse? What if the firefighter is driving away?
Answers
Answered by
Dr. Jane
Driving toward, the frequency increases.
Driving away, the frequency decreases
Driving away, the frequency decreases
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