document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=149426>Question 149426</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A pine cone falls from the top of a 64-foot pine tree. How long will it take (in seconds) for the pine cone to reach the ground?<BR>\n" );
document.write( "Use the equation h = -16t^2 + 64 where h is the height (in feet) above the ground t seconds after it falls from the tree. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #109641 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=109641\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A pine cone falls from the top of a 64-foot pine tree. How long will it take (in seconds) for the pine cone to reach the ground?<BR>\n" );
document.write( "Use the equation h = -16t^2 + 64 where h is the height (in feet) above the ground t seconds after it falls from the tree.<BR>\n" );
document.write( "--------------------------<BR>\n" );
document.write( "h = -16t^2 + 64 = 0 (0 when it hits the ground)<BR>\n" );
document.write( "16t^2 = 64<BR>\n" );
document.write( "t^2 = 4<BR>\n" );
document.write( "t = 2 seconds </SPAN>\n" );
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