document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=41000>Question 41000</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Avoiding a collision. A car is traveling on a road that is perpendicular to a railroad track. When the car is 30 meters from the crossing, the car's new collision detector warns the driver that there is a train 50 meters from the car and heading toward the same crossing. How far is the train from the crossing? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #26430 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=26430\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A car is traveling on a road that is perpendicular to a railroad track. When the car is 30 meters from the crossing, the car's new collision detector warns the driver that there is a train 50 meters from the car and heading toward the same crossing. How far is the train from the crossing?\r<BR>\n" );
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document.write( "Draw the picture.<BR>\n" );
document.write( "It is a right triangle with a side of 30 and hypotenuse of 50.<BR>\n" );
document.write( "Use Pythagoras to find the other side.<BR>\n" );
document.write( "50^2=30^2+x^2<BR>\n" );
document.write( "x^2=2500-900=1600<BR>\n" );
document.write( "x=400 meters (the distance the train is from the crossing)<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "stan H. </SPAN>\n" );
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