document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=413428>Question 413428</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Explain the advantages in having the meter officially defined in term of the distance light travel in a given time rather than as the length of a specific metal bar.<BR>\n" );
document.write( "(Physic home work) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #290256 by </B><A HREF=/tutors/aboutme.mpl?userid=richard1234><B>richard1234(7193)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richard1234><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=richard1234><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=290256\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Suppose the length of a certain metal bar was to be set at one meter. If the bar heats up significantly, thermal expansion causes the bar to expand in length (also, thermal contraction causes the bar to shrink). This is why the meter isn't defined this way. </SPAN>\n" );
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