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MATH

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The time (t, in seconds) for a free-falling object to fall d feet is described by the mathematical formula:

t=d over the square root of 16

If a worker accidentally drops a hammer from a building and it hit the ground 4 seconds later, from what height was the hammer dropped

  • MATH -

    sqrt(16)=4
    t=d/4
    t=4
    4=d/4
    d=16
    the hammar was dropped from 16 feet

  • MATH -

    your formula for time should have been:
    t = √(d/16) or d = 16t^2

    when t=4, then
    d = 16(4^2) = 64 feet

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