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Sirens For those siren geeks to talk about sirens.

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The Doppler Effect
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Default The Doppler Effect - 11-01-08, 12:47 PM
Isn't it really weird when you're walking down the street and a police car passes you? The siren goes from a higher pitch to a lower pitch.

Before you new about the doppler effect, why did you guys think this happened?
When I was about 6, I thought they switched on a lower siren every time they passed me lol.
  
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Default 11-09-08, 05:08 PM
To be honest i've never really noticed :\

i'll have to pay more attention the next time one passes me.




  
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Default 11-09-08, 05:10 PM
i'm normally running from them so its all relative lol


  
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