document.write( "Question 398198: A ball is thrown straight upward at an initial speed of 104 feet per seconds. From Physics it is known that, after t seconds, the ball reaches a height h feet given by the formula h=-16t^2 + 104 t.\r
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document.write( "1.The ball reaches the height of 64.96 feet after t1= _____ and t2=_____ seconds (with t1 < t2)\r
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document.write( "I set up the problem as 64.96= -16t^2+104t. I solved for t and I keep coming up with t1= .777 and t2= 5.222. What am I doing wrong?
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document.write( "Thank you!
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Algebra.Com's Answer #282142 by scott8148(6628)![]() ![]() You can put this solution on YOUR website! why do you think that your answers are incorrect?\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "the ball passes through the given height on the way up and on the way down \n" ); document.write( " |