A train at rest emits a sound at a frequency of 1000 hz
A train at rest emits a sound at a frequency of 1000 Hz. Anobserver in a car travels away from the sound source at a speed of30.0 m/s. What is the frequency heard by the observer?
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a train at rest emits a sound at a frequency of 1000 hz anobserver in a car travels away from the sound source at a
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