anonymous
  • anonymous
What causes the increase in pitch as an ambulance siren moves toward you? A. the sound waves spread farther apart B. the speed of sound waves changes C. the amplitude of the sound waves changes D. the sound waves become compressed
Physics
chestercat
  • chestercat
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Michele_Laino
  • Michele_Laino
I think D, since the observed frequency is increased
anonymous
  • anonymous
ooh okay, makes sense :) thank you!!
Michele_Laino
  • Michele_Laino
with respect to the emitted frequency

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Michele_Laino
  • Michele_Laino
:)
anonymous
  • anonymous
ahh okie:)

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