document.write( "Question 959659: If an object is thrown upward from the ground with an initial velocity of 128 ft/sec, its height after t sec is given by h=128t-16t^2. Find the number of seconds before the object hits the ground \n" ); document.write( "
Algebra.Com's Answer #586546 by Alan3354(69443)\"\" \"About 
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h=128t-16t^2 = 0
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