document.write( "Question 876697: a ball is tossed into the air at 40 feet per second from a height of 5 feet. how long will it take the ball to reach the ground? \n" ); document.write( "
Algebra.Com's Answer #528984 by Alan3354(69443)\"\" \"About 
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a ball is tossed into the air at 40 feet per second from a height of 5 feet. how long will it take the ball to reach the ground?
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\n" ); document.write( "A commonly used equation is
\n" ); document.write( "\"h%28t%29+=+-16t%5E2+%2B+vt+%2B+h\", t in seconds, h in feet
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\n" ); document.write( "\"h%28t%29+=+-16t%5E2+%2B+40t+%2B+5\"
\n" ); document.write( "Find when
\n" ); document.write( "\"h%28t%29+=+-16t%5E2+%2B+40t+%2B+5+=+0\"
\n" ); document.write( "\"-16t%5E2+%2B+40t+%2B+5+=+0\"
\n" ); document.write( "It's a quadratic, solve for t.
\n" ); document.write( "Ignore the negative value.
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