document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1127541>Question 1127541</A>: <I><SPAN STYLE=\"word-break: break-all;\"> if a rocket is fired vertically into the air with a speed of 240 feet per second,it's height at time t seconds is given by h= -16t^2 + 240t. at the time will the rocket be 704 feet above the ground.<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #743945 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=743945\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> if a rocket is fired vertically into the air with a speed of 240 feet per second,it's height at time t seconds is given by h= -16t^2 + 240t. at the time will the rocket be 704 feet above the ground.<BR>\n" );
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document.write( "That's not a rocket, it's a projectile.<BR>\n" );
document.write( "Rockets have thrust and accelerate upward.<BR>\n" );
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document.write( "h(t) = -16t^2 + 240t = 704<BR>\n" );
document.write( "-16t^2 + 240t - 704 = 0<BR>\n" );
document.write( "Solve for t.<BR>\n" );
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document.write( "PS  it's = it is </SPAN>\n" );
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