A train travelling at 20.92 m/s is receding from a stationary observer, and sounding a warning horn at 137.3 Hz. If the speed of sound is 325.5 m/s, calculate the frequency which the observer hears, in Hz with two digits of precision. Vs Your Answer: Answer
A train travelling at 20.92 m/s is receding from a stationary observer, and sounding a warning horn at 137.3 Hz. If the speed of sound is 325.5 m/s, calculate the frequency which the observer hears, in Hz with two digits of precision. Vs Your Answer: Answer
Question

Transcribed Image Text:A train travelling at 20.92 m/s is receding from a stationary observer, and sounding a
warning horn at 137.3 Hz. If the speed of sound is 325.5 m/s, calculate the
frequency which the observer hears, in Hz with two digits of precision.
Vs
Your Answer:
Answer

Transcribed Image Text:An observer in a car moving at 14.4 m/s is receding from a stationary sound source
which is sounding a 158 Hz note. If the speed of sound is 332 m/s, what frequency
in Hz does the observer in the car hear? Use two digits of precision in your answer.
Your Answer:
Answer
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