document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=738944>Question 738944</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A ball is thrown downward from the top of a 180 foot building with an initial velocity of 20 feet per second. The height of the ball h after t seconds is given by the equation h=-16t^2-20t+180. How long after the ball is thrown will it be 50 feet from the ground? Round the result to the nearest tenth of a second. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #451043 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=451043\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 50=-16t^2-20t+180<BR>\n" );
document.write( " t=2.29315<BR>\n" );
document.write( "t=2.3 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );