document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=178755>Question 178755</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The police use the formula v=4.9&#8730;L to estimatethe speed of a car v based on the length L of its skid marks on dry pavement.<BR>\n" );
document.write( "a.  What is a reasonable estimate for a car's speed if its skid marks measure 220 feet?<BR>\n" );
document.write( "b.  What would be the length of your skid marks if you drove with the speed of 65 mph? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #133734 by </B><A HREF=/tutors/aboutme.mpl?userid=Mathtut><B>Mathtut(3670)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Mathtut><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=133734\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=v=4.9sqrt%28L%29 ALIGN=MIDDLE  ALT=\"v=4.9sqrt%28L%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ":<BR>\n" );
document.write( "a)<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=v%28220%29=4.9sqrt%28220%29=4.9%2814.83%29=highlight%2872.68%29 ALIGN=MIDDLE  ALT=\"v%28220%29=4.9sqrt%28220%29=4.9%2814.83%29=highlight%2872.68%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >mph<BR>\n" );
document.write( ":<BR>\n" );
document.write( "b)<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=65=4.9sqrt%28L%29 ALIGN=MIDDLE  ALT=\"65=4.9sqrt%28L%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ":<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=13.265=sqrt%28L%29 ALIGN=MIDDLE  ALT=\"13.265=sqrt%28L%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ":<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28L=175.96%29 ALIGN=MIDDLE  ALT=\"highlight%28L=175.96%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >feet </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );