document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=404393>Question 404393</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A ball is thrown upward from ground level with an initial velocity of 108 ft per sec. Its height h in feet after t seconds is given by the equation h=-16t(squared)+108t. <BR>\n" );
document.write( "At what time will the ball hit the ground? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #285799 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=285799\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> set h to zero and solve for t:<BR>\n" );
document.write( "0=-16t^2+108t<BR>\n" );
document.write( "0=-4t(4t-27)<BR>\n" );
document.write( "t= {0,27/4}<BR>\n" );
document.write( ".<BR>\n" );
document.write( "solution is 27/4 seconds<BR>\n" );
document.write( "or<BR>\n" );
document.write( "6.75 seconds\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );