Asked by Rita

A siren emits a sound of frequency 1200 kHz. With which frequency is it received by a car moving at a speed of 20 m/s.
a) Away from the siren?
b) Towards the siren?
Answered by Scott
look up Doppler shift formula
Answered by Sara
A siren emits a sound of frequency 1200 kHz. With which frequency is it received by a car moving at a speed of 20 m/s.
a) Away from the siren?
b) Towards the siren?
The solution please
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