document.write( "Question 1035296: Benjamin threw a rock straight up from a cliff that was 140 ft above the water. If the height of the rock h, in feet, after t seconds is given by the equation h=-16t^2+92t+140, how long will it take for the rock to hit the water?
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Algebra.Com's Answer #649950 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! h=-16t^2+92t+140, how long will it take for the rock to hit the water? \n" ); document.write( "---------- \n" ); document.write( "Until h = 0 \n" ); document.write( "------ \n" ); document.write( "h=-16t^2+92t+140 = 0 \n" ); document.write( "Solve for t. \n" ); document.write( " \n" ); document.write( " |