document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=820359>Question 820359</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If a rocket is launched from Houston, Texas, with an initial velocity of 1600 feet per second, when will the rocket be 14,400 feet high? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #493484 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=493484\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If a rocket is launched from Houston, Texas, with an initial velocity of 1600 feet per second, when will the rocket be 14,400 feet high?<BR>\n" );
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document.write( "h(t) = -16t^2+1000t<BR>\n" );
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document.write( "Solve:: -16t^2+1000t-14,400 = 0<BR>\n" );
document.write( "(2x-45)(-8t+40) = 0<BR>\n" );
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document.write( "Positive solution:<BR>\n" );
document.write( "x = 22.5 seconds<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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document.write( " </SPAN>\n" );
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