document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=270267>Question 270267</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am travelling at 100 kmh I catch up to a train that is travelling at 80kmh. The train is 500 meters long. How long does it take me to pass this train.  How far do I travel before I pass the train\r<BR>\n" );
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document.write( "Pete </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #198026 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=198026\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> This is a problem of relative speeds <BR>\n" );
document.write( "with 2 trains moving at constant speed<BR>\n" );
document.write( "The problem doesn't change at all if <BR>\n" );
document.write( "I say that the train I am trying to pass <BR>\n" );
document.write( "is standing still and I m moving at the<BR>\n" );
document.write( "difference in our speeds, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=100+-+80+=+20 ALIGN=MIDDLE  ALT=\"100+-+80+=+20\"   DISABLED_style= \"max-width:90%; height:auto;\" > km/hr<BR>\n" );
document.write( "Now, with the slower train stopped, how long<BR>\n" );
document.write( "does it take my front end to go from it's<BR>\n" );
document.write( "back end to it's front end, or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=500 ALIGN=MIDDLE  ALT=\"500\"   DISABLED_style= \"max-width:90%; height:auto;\" >m<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d+=+r%2At ALIGN=MIDDLE  ALT=\"d+=+r%2At\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+=+d%2Fr ALIGN=MIDDLE  ALT=\"t+=+d%2Fr\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+=+500%2F20000 ALIGN=MIDDLE  ALT=\"t+=+500%2F20000\"   DISABLED_style= \"max-width:90%; height:auto;\" > (I converted km/hr to m/hr)<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+=+5%2F200 ALIGN=MIDDLE  ALT=\"t+=+5%2F200\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+=+1%2F40 ALIGN=MIDDLE  ALT=\"t+=+1%2F40\"   DISABLED_style= \"max-width:90%; height:auto;\" > hr<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+=+%281%2F40%29%2A60 ALIGN=MIDDLE  ALT=\"t+=+%281%2F40%29%2A60\"   DISABLED_style= \"max-width:90%; height:auto;\" > min<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+=+1.5 ALIGN=MIDDLE  ALT=\"t+=+1.5\"   DISABLED_style= \"max-width:90%; height:auto;\" > min<BR>\n" );
document.write( "I passed the 500 m long train at my actual speed of 100000 m/hr, so<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d+=+100000%2A%281%2F40%29 ALIGN=MIDDLE  ALT=\"d+=+100000%2A%281%2F40%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d+=+10000%2F4 ALIGN=MIDDLE  ALT=\"d+=+10000%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d+=+2500 ALIGN=MIDDLE  ALT=\"d+=+2500\"   DISABLED_style= \"max-width:90%; height:auto;\" >m or<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d+=+2.5 ALIGN=MIDDLE  ALT=\"d+=+2.5\"   DISABLED_style= \"max-width:90%; height:auto;\" >km actual ground covered <BR>\n" );
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