Yeah got it !! I know, its simple. Dunno what I didn't get it when I posted :-)
On Fri, Jun 11, 2010 at 9:26 AM, Anurag Sharma <anuragvic...@gmail.com>wrote: > well the solution is pretty straight forward. > let the distance between stations be 'd' and speed of trains starting at A > and B (lets call them X and Y) be 'u' and 'v' resp. > > A-----------------------------------------------------B > (X) u-> <-v(Y) at t=0 > (X)|(Y) meet each > other at t= d/(u+v) > > So distance left to cover for X = dv/(u+v) > and distance left to cover for Y= du/(u+v) > time X will take to cover this distance= dv/(u*(u+v)) = a > time Y will take to cover this distance= du/(v*(u+v)) = b > > => a : b = v^2 : u^2 > => u : v = b^1/2 : a^1/2 > > hope its clear > > Anurag Sharma > > > > On Thu, Jun 10, 2010 at 11:05 PM, Raj N <rajn...@gmail.com> wrote: > >> Can someone help me deriving this ? >> If 2 trains start at the same time from points A and B towards each >> other and after crossing they take a and b sec in reaching B and A >> respectively, then A's speed:B's speed=b^1/2:a^1/2 >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Algorithm Geeks" group. >> To post to this group, send email to algoge...@googlegroups.com. >> To unsubscribe from this group, send email to >> algogeeks+unsubscr...@googlegroups.com<algogeeks%2bunsubscr...@googlegroups.com> >> . >> For more options, visit this group at >> http://groups.google.com/group/algogeeks?hl=en. >> >> > -- > You received this message because you are subscribed to the Google Groups > "Algorithm Geeks" group. > To post to this group, send email to algoge...@googlegroups.com. > To unsubscribe from this group, send email to > algogeeks+unsubscr...@googlegroups.com<algogeeks%2bunsubscr...@googlegroups.com> > . > For more options, visit this group at > http://groups.google.com/group/algogeeks?hl=en. > -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to algoge...@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
