document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1169290>Question 1169290</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A railway bridge over a road is in the shape of a parabola.<BR>\n" );
document.write( "The bridge is 3m high in the middle and 8m wide at its base.<BR>\n" );
document.write( "A truck that is 2.5 m wide is approaching and will pass under the bridge directly through the middle.<BR>\n" );
document.write( "What is the maximum height that the truck can have and still pass under the bridge?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #793971 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52798)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=793971\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .\r<BR>\n" );
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document.write( "Never saw a railway bridge in the shape of a parabola.\r<BR>\n" );
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document.write( "Had such a bridge be ever exist, the design and the construction engineers would lose their licenses next day,\r<BR>\n" );
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document.write( "and the bridge would be destroyed.\r<BR>\n" );
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document.write( "Or preserved as a monument of a human stupidity . . . with forbiddance to move across it . . . \r<BR>\n" );
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document.write( "In connection with this post, I re-call the old anecdotic story, that was popular among mature construction engineers long time ago.\r<BR>\n" );
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document.write( "    At the meeting of construction engineers, they are going to discuss on how to construct one particular bridge.\r\n" );
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document.write( "    A chief engineer, who conducts the meeting, proposes to the members to out speak their ideas.\r\n" );
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document.write( "    One person of the staff takes a word and says: \"Hmmm . . . , I propose to construct a bridge <U>across the river</U>\".\r\n" );
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document.write( "A silence during next &nbsp;7 &nbsp;seconds - - - then a curtain . . . \r<BR>\n" );
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document.write( "The same &nbsp;(the similar) &nbsp;anecdotic story does exist about construction engineers that are going to build a dam . . . across a river . . . \r<BR>\n" );
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