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anonymous

  • one year ago

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 a sound 6 dB louder than that from either speaker. 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 degrees out of phase in the middle of the theater C. the two waves are 90 degrees out of phase in the middle of the theater D. the two waves are 180 degrees out of phase in the middle of the theater

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  1. anonymous
    • one year ago
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    I think it would be A.

  2. Michele_Laino
    • one year ago
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    I think that in the middle of the theatre we have a constructive interference

  3. anonymous
    • one year ago
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    okay! so what does that mean? they are are in phase? or are they out of phase? :/

  4. Michele_Laino
    • one year ago
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    no, they are in phase

  5. anonymous
    • one year ago
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    It would mean that they are in phase

  6. anonymous
    • one year ago
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    ohh so choice A is our solution?

  7. Michele_Laino
    • one year ago
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    yes! I think so!

  8. anonymous
    • one year ago
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    yay!! thank you both!!:)

  9. Michele_Laino
    • one year ago
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    please wait a moment

  10. anonymous
    • one year ago
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    ok!

  11. anonymous
    • one year ago
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    so it is not choice A? or it still is?

  12. Michele_Laino
    • one year ago
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    no, it is A

  13. Michele_Laino
    • one year ago
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    that's right! It is option A

  14. anonymous
    • one year ago
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    yay! thanks!!

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