You can put this solution on YOUR website! Find the time required for an object to fall to the ground from a building that is 1400 ft high.
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Let "s(t)" be the height of the object above the ground at time = t seconds.
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s(t) = -16t^2+1400
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When the object hits the ground its height is zero.
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-16t^2+1400 = 0
t^2 = -1400/-16
t^2 = 87.5
t = 9.35 seconds
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It will hit the ground in 9.35 seconds
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Cheers,
Stan H.
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