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Chery Chery
wrote...
Posts: 3587
7 years ago
As you stand by the side of the road, a car approaches you at a constant speed, sounding its horn, and you hear a frequency of 76 Hz. After the car goes by, you hear a frequency of 65 Hz. What is the speed of the car? The speed of sound in the air is 343 m/s.
A) 26 m/s
B) 27 m/s
C) 28 m/s
D) 29 m/s
E) 30 m/s
Textbook 
College Physics

College Physics


Edition: 1st
Authors:
Read 105 times
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slicealemonslicealemon
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Posts: 930
7 years ago
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Chery Author
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7 years ago
I needed this so much, thanks
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