document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=402921>Question 402921</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The force needed to keep a car from skidding on a curve varies inversely as the radius of the curve and jointly as the weight of the car and the square of the speed. If 242 lb. of force keeps a 2000-lb. car from skidding on a curve of radius 500 ft. at 30 mph, what force would keep the same car from skidding on a curve of radius 750ft. at 50mph? \r<BR>\n" );
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document.write( "Any help would be Great! Thanks  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #284999 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=284999\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> \"The force needed to keep a car from skidding on a curve varies inversely as the radius of the curve and jointly as the weight of the car and the square of the speed\" ___ f = k * w * s^2 / r^2\r<BR>\n" );
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document.write( "use the given conditions to find k ___ k = (f * r^2) / (w * s^2) = (242 * 500^2) / (2000 * 30^2)\r<BR>\n" );
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document.write( "use the calculated value of k to find the new force </SPAN>\n" );
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