document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1056051>Question 1056051</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The stopping distance of ,d , of a particular car after the brakes are applied varies directly as the square of the rate .r, if the car is traveling 40 mph , it can stop in 80 feet. how many feet will it take the same car to stop when it is traveling 80 mph ? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #671340 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=671340\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The stopping distance of ,d , of a particular car after the brakes are applied varies directly as the square of the rate .r, <BR>\n" );
document.write( "if the car is traveling 40 mph , it can stop in 80 feet. <BR>\n" );
document.write( "r^2 * k = d<BR>\n" );
document.write( "40^2*k  = 80<BR>\n" );
document.write( "1600k = 80<BR>\n" );
document.write( "k = 80/1600<BR>\n" );
document.write( "k = .05 the constant of the variation<BR>\n" );
document.write( ":<BR>\n" );
document.write( "\"how many feet will it take the same car to stop when it is traveling 80 mph?\"<BR>\n" );
document.write( "d = .05*80^2<BR>\n" );
document.write( "d = 320 ft to stop at 80 mph<BR>\n" );
document.write( "  </SPAN>\n" );
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