Physics, 06.12.2019 17:31 hela9astrid
Because of the doppler effect, the sound heard by an observer listening to a moving ambulance siren, compared to what the observer would have heard if the observer and siren were both at
a. will have a lower frequency if the ambulance siren is moving towards the observer
b. will have a higher frequency if the ambulance siren is moving away from the observer.
c. will have a higher frequency if the ambulance siren is moving towards the observer.
d. will have a lower pitch if the ambulance siren is moving towards the observer.
e. will have a longer wavelength if the ambulance siren is moving towards the observer.
Answers: 2
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Because of the doppler effect, the sound heard by an observer listening to a moving ambulance siren,...
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