Asked by maryam
A police car approaches a large wall at 51m/s. Its siren emits a 980 Hz signal.
What is the frequency of the reflected sound observed by the officer?
What is the frequency of the reflected sound observed by the officer?
Answers
Answered by
Chanz
If we take SOS as 343 m/s
fo = fs [(1+ vo/343)/(1-vs/343)]
in this case vs and vo are the same
fo = fs [(1+ vo/343)/(1-vs/343)]
in this case vs and vo are the same
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