scott wrote:
> collisions and the game goes on, the range of the expected position will 
> grow exponentially.  

In particular, it's caused to a great extent by the balls being convex, 
thereby amplifying any difference between predicted and actual.

> It probably means that even with perfect knowledge 
> of the starting positions, after 10 shots with multiple collisions the 
> best you could say is that you're 99% sure the balls will be on the 
> table :-)

The calculation I remember was after 15 shots you can't tell if any are on 
the table. :-)

-- 
   Darren New, San Diego CA, USA (PST)
   I ordered stamps from Zazzle that read "Place Stamp Here".

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