Question

a stationary observer is listening to the sound coming frok a sound source. the listener hears a sound of a lower pitch when compared to that produced by the source. what can you conclude about the source from this observation?​

Answer 1

Answer:

the observer is stationary, the frequency received by the observer is the frequency emitted by the source: If the observer moves toward the source at a speed vo, more waves are intercepted per second and the frequency received by the observer goes up.