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    chempro's Avatar
    chempro Posts: 2, Reputation: 1
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    #1

    Sep 18, 2007, 11:46 PM
    Find displacement
    A rock is dropped from rest into a well.

    a. the sound of the splash id heard 2.40s after the rock was relaesed from rest. How far below to top of the well is the surface of the water? 9speed of sound in air at ambient temperature is 336m/s)

    b. what if? If the travel time for the sound is neglected what percentage error is introduce when the depth of the well is calculated?
    Capuchin's Avatar
    Capuchin Posts: 5,255, Reputation: 656
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    #2

    Sep 19, 2007, 08:50 AM
    How would you solve these questions? We can't do your work for you? What equations do you think are relevant?
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