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britttanyannne

  • 4 years ago

an oboe plays A (440 Hz) at 20degrees Celsius. at the same time, an identical oboe plays the same note at 0degrees, and beats are heard. what is the beat frequency ?

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  1. JamesJ
    • 4 years ago
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    Nice question. \[ v = \lambda f \] f is the same for the two notes. So what's different?

  2. britttanyannne
    • 4 years ago
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    would \[\lambda\] be whats different ?

  3. JamesJ
    • 4 years ago
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    yes, it must be. Now why? Because v is different. Why? Because the speed of sound depends on the temperature of the air.

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