document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=772360>Question 772360</A>: <I><SPAN STYLE=\"word-break: break-all;\"> while hovering near the top of a waterfall in national park at feet, a helicopter pilot accidentally drops his sunglasses. The height h(t) of sunglasses after t seconds is given by polynomial function h(t)=-16t^(2)+1936. when will the sunglasses 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 #470899 by </B><A HREF=/tutors/aboutme.mpl?userid=Cromlix><B>Cromlix(4381)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Cromlix><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=Cromlix><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=470899\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> h(t)=-16t^(2)+1936.<BR>\n" );
document.write( "When glasses hit ground h(t) = 0<BR>\n" );
document.write( "0= -16t^(2)+1936.<BR>\n" );
document.write( "- 16t^2 = -1936<BR>\n" );
document.write( "16t^2 = 1936<BR>\n" );
document.write( "t^2 = 1936/16<BR>\n" );
document.write( "t^2 = 121<BR>\n" );
document.write( "t = 11<BR>\n" );
document.write( "His glasses will take 11 seconds to hit the ground.<BR>\n" );
document.write( "Hope this helps.<BR>\n" );
document.write( ":-) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );