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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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#1
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6 years ago
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analiseortiz56 Author
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6 years ago
Thanks for your help!!
jbag1237
wrote...

Yesterday
Good timing, thanks!
hmonier
wrote...

2 hours ago
Helped a lot
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