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Posted by on Monday, November 14, 2011 at 3:38pm.

A stone is dropped from the edge of a roof, and hits the ground with a velocity of -195 feet per second. How high is the roof? .

  • Calculus - , Tuesday, November 15, 2011 at 5:48am

    v = at
    that gets you t

    d = 1/2 at^2

    that gets you the height

    or, d = v^2 / 2a
    You have v=-195, a=-32

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