document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=968028>Question 968028</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a train 150 m long<BR>\n" );
document.write( " is running at 72 km / hrs. It cross the bridge in 13 sec.find the length of the bridge </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #591639 by </B><A HREF=/tutors/aboutme.mpl?userid=KMST><B>KMST(5328)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=KMST><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=KMST><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=591639\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The train \"cross the bridge in 13 sec.\"<BR>\n" );
document.write( "That means that 13 seconds after the  front of the train reached the bridge, the whole train had completely cleared the bridge.<BR>\n" );
document.write( "During those <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=13+seconds=13%2F3600 ALIGN=MIDDLE  ALT=\"13+seconds=13%2F3600\"   DISABLED_style= \"max-width:90%; height:auto;\" ><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=hours ALIGN=MIDDLE  ALT=\"hours\"   DISABLED_style= \"max-width:90%; height:auto;\" > ,<BR>\n" );
document.write( "a train going at <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=72 ALIGN=MIDDLE  ALT=\"72\"   DISABLED_style= \"max-width:90%; height:auto;\" ><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=km%2Fhr=72%2A1000 ALIGN=MIDDLE  ALT=\"km%2Fhr=72%2A1000\"   DISABLED_style= \"max-width:90%; height:auto;\" ><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=m%2Fhour ALIGN=MIDDLE  ALT=\"m%2Fhour\"   DISABLED_style= \"max-width:90%; height:auto;\" > ,<BR>\n" );
document.write( "would travel <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=72%2A1000m%2A%2813%2F3600%29 ALIGN=MIDDLE  ALT=\"72%2A1000m%2A%2813%2F3600%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=hours=260m ALIGN=MIDDLE  ALT=\"hours=260m\"   DISABLED_style= \"max-width:90%; height:auto;\" > .<BR>\n" );
document.write( "That means that 13 seconds after the  front of the train reached the bridge,<BR>\n" );
document.write( "the front of the train had traveled <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=260m ALIGN=MIDDLE  ALT=\"260m\"   DISABLED_style= \"max-width:90%; height:auto;\" >,<BR>\n" );
document.write( "and the back of the train, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=150m ALIGN=MIDDLE  ALT=\"150m\"   DISABLED_style= \"max-width:90%; height:auto;\" > behind the front,<BR>\n" );
document.write( "had just cleared the bridge.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28500%2C150%2C-200%2C300%2C-50%2C100%2C%0D%0Aline%28-200%2C0%2C300%2C0%29%2Cline%280%2C0%2C0%2C-50%29%2C%0D%0Aline%28110%2C0%2C110%2C-50%29%2Cgreen%28rectangle%280%2C2%2C-68%2C17%29%29%2C%0D%0Agreen%28rectangle%28-150%2C2%2C-70%2C16%29%29%2Cgreen%28rectangle%28-70%2C2.5%2C-68%2C2.2%29%29%2C%0D%0Ared%28rectangle%28260%2C2%2C192%2C17%29%29%2Clocate%28-100%2C35%2Cgreen%28before%29%29%2C%0D%0Ared%28rectangle%28110%2C2%2C190%2C16%29%29%2Cred%28rectangle%28190%2C2.5%2C192%2C2.2%29%29%2C%0D%0Alocate%28160%2C35%2Cred%28after%29%29%2Carrow%280%2C-10%2C110%2C-10%29%2C%0D%0Aarrow%28110%2C-10%2C0%2C-10%29%2Clocate%2820%2C-10%2Cbridge%29%2C%0D%0Aarrow%28110%2C-10%2C260%2C-10%29%2Carrow%28260%2C-10%2C110%2C-10%29%2C%0D%0Alocate%28140%2C-10%2Ctrain=150m%29%2Carrow%28110%2C40%2C0%2C40%29%2C%0D%0Aarrow%28150%2C40%2C260%2C40%29%2Clocate%28115%2C45%2C260m%29%0D%0A%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "The length of the bridge is<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=260m-150m=highlight%28110m%29 ALIGN=MIDDLE  ALT=\"260m-150m=highlight%28110m%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > . </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );