document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=829320>Question 829320</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If you run 200m in a 4mph headwind in 25.29 seconds, what time would you run if there was no headwind?\r<BR>\n" );
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document.write( "I would normally run around 23.76 seconds for a 200m so I want to work out how fast I actually ran.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #499775 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=499775\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If you run 200m in a 4mph headwind in 25.29 seconds, what time would you run if there was no headwind?\r<BR>\n" );
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document.write( "I would normally run around 23.76 seconds for a 200m so I want to work out how fast I actually ran. <BR>\n" );
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document.write( "There's no simple relationship between wind speed and running speed.<BR>\n" );
document.write( "Drag is a function of the square of the relative wind speed and the equivalent flat plate area of the body.<BR>\n" );
document.write( "A small up or down grade is much more signigicant than wind.<BR>\n" );
document.write( "If you have a flat area, you can run upwind and d/wind and find the average, but then fatigue will likely have a larger effect than wind.<BR>\n" );
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