document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=321922>Question 321922</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Bob is driving west bound and passes Joe driving eastbound at 50mph.  How fast will Bob have to drive if he turns around and catches Joe 1/2 mile down the road from where they first passed each other? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #230533 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=230533\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The assumption is that Bob stops immediately as they pass each other and turns around using no time. <BR>\n" );
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document.write( "For constant speed or rate,<BR>\n" );
document.write( "Rate*Time=Distance<BR>\n" );
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document.write( "For Joe traveling at 50 mph and meeting Bob in 1/2 mile,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=50%2At=1%2F2 ALIGN=MIDDLE  ALT=\"50%2At=1%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t=1%2F100 ALIGN=MIDDLE  ALT=\"t=1%2F100\"   DISABLED_style= \"max-width:90%; height:auto;\" > hour<BR>\n" );
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document.write( "Since Bob starts at zero speed, the distance equation is slightly different than for Joe who's traveling at constant speed. <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a=%28vf-vi%29%2Ft ALIGN=MIDDLE  ALT=\"a=%28vf-vi%29%2Ft\"   DISABLED_style= \"max-width:90%; height:auto;\" > where a=acceleration, vf=Bob's final speed, vi=Bob's initial speed, t=time.<BR>\n" );
document.write( "and also, <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=D=%281%2F2%29at%5E2 ALIGN=MIDDLE  ALT=\"D=%281%2F2%29at%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=D=%281%2F2%29%28%28vf-vi%29%2Ft%29%2At%5E2 ALIGN=MIDDLE  ALT=\"D=%281%2F2%29%28%28vf-vi%29%2Ft%29%2At%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=D=%281%2F2%29%28vf-vi%29%2At ALIGN=MIDDLE  ALT=\"D=%281%2F2%29%28vf-vi%29%2At\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F2=%281%2F2%29%28vf-0%29%2A%281%2F100%29 ALIGN=MIDDLE  ALT=\"1%2F2=%281%2F2%29%28vf-0%29%2A%281%2F100%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=vf=100 ALIGN=MIDDLE  ALT=\"vf=100\"   DISABLED_style= \"max-width:90%; height:auto;\" > mph<BR>\n" );
document.write( "Bob will be traveling at 100 mph when they meet.  </SPAN>\n" );
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