I don't follow you. The presence of the magnets changes the momentum of the ball regardless of the initial PE as long as it does not change.
On Jan 7, 2008 5:04 PM, Robin van Spaandonk <[EMAIL PROTECTED]> wrote: > In reply to Terry Blanton's message of Sun, 6 Jan 2008 09:51:12 -0500: > Hi, > [snip] > > >Without the magnets: > > > >http://www.youtube.com/watch?v=t5D70lqT1ZU > > > >With: > > > >http://www.youtube.com/watch?v=NNFS63dZIdc > > > >Terry > > This is completely meaningless, as there is no measure of the effort required > to > place the ball at the beginning of the track. > > Regards, > > Robin van Spaandonk > > The shrub is a plant. > >

