From: kaukasoina3dore73js4@sci.fi   
      
   Luigi Fortunati   wrote:   
   >A body of mass 2m cannot bounce back (in place!) when it collides with a   
   >body of mass m, otherwise a body of mass 3m, 10m, or 100m would also   
   >bounce back.   
      
   3m will stop. Less than 3m will bounce back. More than 3m will only slow down.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)