document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=457456>Question 457456</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Why does a person sitting in one train think that the other train is at rest, when both the trains are moving on a parallel tracks with the same speed and in the same direction? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #313879 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=313879\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The other train is at rest wrt the person.  The distance between them does not change with time.<BR>\n" );
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document.write( "d = rt<BR>\n" );
document.write( "0 = rt<BR>\n" );
document.write( "r = 0<BR>\n" );
document.write( "rate = 0 --> at rest. </SPAN>\n" );
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