Physics, 05.05.2020 11:09 slavenkaitlynn
As an emergency vehicle approaches Bob and moves away from Jill, how does the frequency of the siren change to the driver of the
vehicle?
As an emergency vehicle approaches Bob the frequency increases.
As an emergency vehicle moves away from Jill the frequency decreases
The frequency of the siren does not change despite appearances.
Bob does not notice any change until the vehicle passes him and the siren
increases
The answers C
Answers: 2
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As an emergency vehicle approaches Bob and moves away from Jill, how does the frequency of the siren...
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