document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=51213>Question 51213</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0073016020/algebrahomeworkh>Beginning Algebra</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> I really need some help with this one.\r<BR>\n" );
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document.write( "The height h in feet of an object after t seconds is given by the function\r<BR>\n" );
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document.write( "h= 16t^2 + 70t + 8\r<BR>\n" );
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document.write( "HOw long will it take the object to hit the ground? Round your answers to the nearest thousandth. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #34151 by </B><A HREF=/tutors/aboutme.mpl?userid=THANApHD><B>THANApHD(104)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=THANApHD><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=THANApHD><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=34151\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> actually to answer for this queation we need some more data, like\r<BR>\n" );
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document.write( "   whether object is still moving or motionless, and the time \"t\" is what kind of time ,from where it is measured? like that...\r<BR>\n" );
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document.write( "But beyond these quations I can answer U if I've to assume some stuffs.\r<BR>\n" );
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document.write( "        if an object travels with acceleration of a, would be in a distance of<BR>\n" );
document.write( "        H<BR>\n" );
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document.write( "   where H = u^2+1/2at^2    (u - intial velocity)<BR>\n" );
document.write( "       So we don't have any initial velocity as the object free falls,\r<BR>\n" );
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document.write( "                  1/2at^2 = h<BR>\n" );
document.write( "                  1/2*10*t^2 = 16T^2+70T+8  (gravitational acceleration approx-10)\r<BR>\n" );
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document.write( "                            t =((16T^2+70T+8)/5)^(1/2)\r<BR>\n" );
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document.write( "                 </SPAN>\n" );
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