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calculate the period of the wave Watch

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    sound travels at 330ms^-1 in air calculate the period of the wave?
    Plz help, i don't know how to answer this
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    Sound waves can have lots of different periods (yet travel at the same speed). For example my voice at 500 Hz will have a period of 2 ms. A dog whistle at 50,000 Hz will have a period of 0.02 ms. The period T is one over the frequency f, i.e. T = 1/f.
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    (Original post by p29)
    sound travels at 330ms^-1 in air calculate the period of the wave?
    Plz help, i don't know how to answer this
    Seems to be missing information, is there a frequency given?
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    (Original post by mik1a)
    Sound waves can have lots of different periods (yet travel at the same speed). For example my voice at 500 Hz will have a period of 2 ms. A dog whistle at 50,000 Hz will have a period of 0.02 ms. The period T is one over the frequency f, i.e. T = 1/f.
    but the question does not give the frequency
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    (Original post by p29)
    but the question does not give the frequency
    Then the question is daft.
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    (Original post by mik1a)
    Then the question is daft.
    lol
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    If its part of a multi part question check for any information about wavelength in the earlier parts.
    Use the relationship
    Wave speed = wavelength * frequency
    To get the frequency
 
 
 
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