document.write( "Question 1140216: If you throw a ball straight up from a rooftop 160 feet high with an initial speed of 48 feet per second, then the formula h=-16t^2+48t+160 describes the ball's height h feet above the ground, t seconds after you released it. The ball misses the rooftop and eventually strikes the ground.
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document.write( "A) What is the height of the ball one second after you release it?
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document.write( "Solution:Find
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document.write( "the value of h in the formula h=−16t^2+48t+160 when t = 1.\r
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document.write( "h =_____feet
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document.write( "the answer i got was 196\r
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document.write( "b) How long will it take the ball th hit the ground?
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document.write( "Solution:Find the value of t in the formula h=−16t^2+48t+160
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document.write( "when h = 0.
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document.write( "It will take _____ seconds for the ball th hit the ground.
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document.write( "the answer i got was 5 \n" );
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Algebra.Com's Answer #760720 by MathTherapy(10552)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "If you throw a ball straight up from a rooftop 160 feet high with an initial speed of 48 feet per second, then the formula h=-16t^2+48t+160 describes the ball's height h feet above the ground, t seconds after you released it. The ball misses the rooftop and eventually strikes the ground. \n" ); document.write( " \n" ); document.write( "A) What is the height of the ball one second after you release it? \n" ); document.write( "Solution:Find \n" ); document.write( "the value of h in the formula h=−16t^2+48t+160 when t = 1.\r \n" ); document.write( "\n" ); document.write( "h =_____feet \n" ); document.write( "the answer i got was 196\r \n" ); document.write( "\n" ); document.write( "b) How long will it take the ball th hit the ground? \n" ); document.write( "Solution:Find the value of t in the formula h=−16t^2+48t+160 \n" ); document.write( "when h = 0. \n" ); document.write( "It will take _____ seconds for the ball th hit the ground. \n" ); document.write( "the answer i got was 5 \n" ); document.write( " 196 in NOT CORRECT, but 5 is!\n" ); document.write( " |