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Chery Chery
wrote...
Posts: 3587
7 years ago
A police car has an 800-Hz siren.  It is traveling at 35.0 m/s on a day when the speed of sound through air is 340 m/s.  The car approaches and passes an observer who is standing along the roadside.  What change of frequency does the observer hear?
A) 0 Hz
B) 82 HZ
C) 166 Hz
D) 249 Hz
Textbook 
College Physics

College Physics


Edition: 1st
Authors:
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HotMathHotMath
wrote...
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Posts: 629
7 years ago
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Chery Author
wrote...
7 years ago
Thanks a million
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