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Home Q & A Board Science-Related Homework Help Physics
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analiseortiz56 analiseortiz56
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6 years ago
A fire engine approaches a wall at 5 m/s while the siren emits a tone of 500 Hz frequency. At the time, the speed of sound in air is 340 m/s. How many beats per second do the people on the fire engine hear?
 a. 0
  b. 15
  c. 29
  d. 63
  e. 250
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jjacksonmiajjacksonmia
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6 years ago
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analiseortiz56 Author
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6 years ago
Good timing, thanks!
avance37
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Yesterday
Thank you, thank you, thank you!
Shuqin
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2 hours ago
This helped my grade so much Perfect
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