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A friend talks to you as she walks past you at a speed of 2.25 m/s. why do you not notice a Doppler shift in her voice as she passes?
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A friend talks to you as she walks past you at a speed of 2.25 m/s. why do you not notice a Doppler shift in her voice as she passes?

User Robspin
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2 Answers

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when the speed of the source is very low compared with the speed of sound, there is little or no detectable difference in the frequency of the sound emitted.    
User Ragnar Kruse
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1 vote
2.25..........................................................
User Logarith
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7.4k points
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