document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=977570>Question 977570</A>: <I><SPAN STYLE=\"word-break: break-all;\"> On planet X, an object falls 18 feet in 3 seconds. Knowing the distance it falls varies directly with the square of the time fall, how long does it take an object to fall 100 feet? Round your answer to three decimal places.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #599109 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=599109\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hi there,<BR>\n" );
document.write( "the distance it falls varies directly with the square of the time fall<BR>\n" );
document.write( "D = kT^2<BR>\n" );
document.write( "Find k<BR>\n" );
document.write( "18 = k3^2<BR>\n" );
document.write( "18 = k9<BR>\n" );
document.write( "k = 2<BR>\n" );
document.write( "Formula now:<BR>\n" );
document.write( "D = 2T^2<BR>\n" );
document.write( "100 = 2t^2<BR>\n" );
document.write( "T^2 = 50<BR>\n" );
document.write( "T = square root of 50<BR>\n" );
document.write( "T = 7.071 seconds (3 decimal places)<BR>\n" );
document.write( "Hope this helps:-)  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );