document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1173862>Question 1173862</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A car travels at a velocity of 120 km/h and passes a bicycle traveling at a velocity of 15 km/h. From the point of view of a rider on the bicycle, what is the velocity of the car? (Assuming both vehicles are travelling on a straight path) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #799171 by </B><A HREF=/tutors/aboutme.mpl?userid=math_helper><B>math_helper(2461)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=math_helper><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=math_helper><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=799171\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The answer depends on whether they are traveling in the same direction or opposing directions:\r<BR>\n" );
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document.write( "120km/hr - 15km/hr = 105km/hr  if they are traveling in the same direction<BR>\n" );
document.write( "120km/hr + 15km/hr = 135km/hr  if they are traveling in opposite directions\r<BR>\n" );
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document.write( "The problem should give the numbers as \"speeds,\" not \"velocities.\"   Why? because velocity requires magnitude AND direction, and no direction was given.  </SPAN>\n" );
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