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

    Sep 22, 2007, 10:34 AM
    Time Of Crossing
    A stone is dropped from the top of tower 50 meter high. Simultaneously another stone is thrown upwards with a speed of 20 meter/second. Calculate the time at which both the stone cross each other.
    RickJ's Avatar
    RickJ Posts: 7,762, Reputation: 864
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    #2

    Sep 22, 2007, 10:48 AM
    Please see the announcement on this board.
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