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Beats my answer. I was going to say that the ball was a solid object, therefore has mass which you can judge speed and distance. Light however has no mass. So you cannot properly judge its speed and distance.
Or is that being to literal?
__________________
What's the difference between congress and a penitentiary?
One is filled with tax evaders, blackmailers and threats to society.
The other is for housing prisoners.
~~David Letterman
Last edited by ICER; 12-30-2004 at 02:12 AM..
Reason: spelling
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