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.
\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( "

Algebra.Com's Answer #760720 by MathTherapy(10552)\"\" \"About 
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( "
\n" );