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Home Q & A Board Science-Related Homework Help Physics
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Brelou Brelou
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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 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
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Physics

Physics


Edition: 4th
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Quantum physics thus reveals a basic oneness of the universe.
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longhairlonghair
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7 years ago
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Brelou Author
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7 years ago
this is exactly what I needed
jamesbove
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Yesterday
Thanks
hannahspillett
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2 hours ago
This site is awesome
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