document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=319109>Question 319109</A>: <I><SPAN STYLE=\"word-break: break-all;\"> please help me solve this problem: A rocket is fired straight up from the ground at a time t= 0 with an initial speed of 560 feet per second. The rocket's distance of h feet above the ground t seconds later h=560t-16t^2 At what time will the rocket be 3, 136 feet above 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 #228512 by </B><A HREF=/tutors/aboutme.mpl?userid=nyc_function><B>nyc_function(2741)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nyc_function><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=nyc_function><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=228512\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> In other words, let h = 3136 and solve for t.\r<BR>\n" );
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document.write( "3136 = 560t - 16t^2\r<BR>\n" );
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document.write( "16t^2 - 560t + 3136 = 0\r<BR>\n" );
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document.write( "You have a quadratic equation here.\r<BR>\n" );
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document.write( "Can you solve this equation?\r<BR>\n" );
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document.write( " </SPAN>\n" );
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