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

    Oct 20, 2013, 10:20 PM
    Vectors
    A frog falls from a rainforest tree. If we ignore wind resistance how long does it take the frog to fall from a distance of 12 meters?
    Celine91's Avatar
    Celine91 Posts: 51, Reputation: 9
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    #2

    Oct 21, 2013, 05:32 AM
    free fall (cuz we are ignoring the wind resistance )

    summation of forces = m * a
    m*g = m * a (weight is the only acting force during free fall)

    => a = 9.8

    x = 0.5 * a * t^2... solve for t

    t = 1.564 sec
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