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    elleprest's Avatar
    elleprest Posts: 1, Reputation: 1
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    #1

    Feb 19, 2013, 11:47 AM
    Physics problem solver
    If you shout across a canyon and hear the echo 0.80 s later, how wide is the canyon?
    Tuttyd's Avatar
    Tuttyd Posts: 53, Reputation: 4
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    #2

    Feb 20, 2013, 12:24 AM
    Hi elleprest,

    Basically, you need to know the speed of sound to work out this problem. Once you have done so all you need to do is work out distance equals speed x time.

    Keep in mind that the sound travels across the canyon and BACK again to the listener.

    Tut

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