anonymous
  • anonymous
Two sound waves of the same frequency and amplitude are broadcast from speakers at opposite ends of a theater. In the middle of the theater, you hear no sound. Which of the following is true? A. The two waves are in phase in the middle of the theater. B. The two waves are 45° out of phase in the middle of the theater. C. The two waves are 90° out of phase in the middle of the theater. D. The two waves are 180° out of phase in the middle of the theater. **thanks!! :)
Physics
katieb
  • katieb
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Michele_Laino
  • Michele_Laino
Hint: the two waves have to be in opposition of phase
anonymous
  • anonymous
ohh okay! so choice D is the answer ?
Michele_Laino
  • Michele_Laino
yes! option D, correct!

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anonymous
  • anonymous
yay!! thanks so much!! :D
Michele_Laino
  • Michele_Laino
thanks!! :)
Michele_Laino
  • Michele_Laino
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Michele_Laino
  • Michele_Laino
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Michele_Laino
  • Michele_Laino
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anonymous
  • anonymous
ohh i see and then it is 180º out of the phase! opposite ends! :O
Michele_Laino
  • Michele_Laino
yes!
anonymous
  • anonymous
yay:)

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