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krypton

  • 3 years ago

Two violin strings are tuned to the same frequency, 277 Hz. The tension in one string is then decreased by 1.92 percent. What will be the beat frequency heard when the two strings are played together?

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  1. krypton
    • 3 years ago
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    please help the assignment is due in 30mins :(

  2. Algebraic!
    • 3 years ago
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    ok, what expression are you using for frequency as a function of tension?

  3. krypton
    • 3 years ago
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    f=sqrt T?

  4. Algebraic!
    • 3 years ago
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    pretty much, all else being constant and for the purpose of the problem so:

  5. Algebraic!
    • 3 years ago
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    \[\frac{ f _{1} }{f _{2}} = \frac{ \sqrt{.9808T} }{ \sqrt{T}}\]

  6. andersonlane1
    • 3 years ago
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    Is that all that youre given?

  7. Algebraic!
    • 3 years ago
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    \[{ f _{1} } = \sqrt{.9808} {f _{2}}\]

  8. krypton
    • 3 years ago
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    my f2 is 277?

  9. Algebraic!
    • 3 years ago
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    yep

  10. Algebraic!
    • 3 years ago
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    so find the freq. of the loosened string.

  11. Algebraic!
    • 3 years ago
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    the beat frequency is the difference between the two.

  12. Algebraic!
    • 3 years ago
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    ok?

  13. krypton
    • 3 years ago
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    thanks alot sweet heart

  14. Algebraic!
    • 3 years ago
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    no problem, sugar.

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