5. You are hiking in a canyon and you notice an echo. You decide to let put a yell and notice it took 2 seconds before you heard the echo of your yell. How far away is the canyon wall that reflected your yell?

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  1. 1 second each way

    d = v *(1second)

    where v = speed of sound
    maybe around 340 meters/second

    so I guess around 340 meters

    so what was the problem?

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