Science Forums 2

[Farsight]

Thanks for the response arkain.

But note that momentum is conserved in a collision because the two objects are in contact for the same length of time. Kinetic energy like momentum is a way of measuring something about a mass with velocity, but I wouldn't go so far as to say they're the same thing. I'm afraid I can't go along with the consciousness thing. I have an ontological leaning. Maybe if you tried the word "experience" it might sound better. And mass is invariant - that's proper mass not relativistic mass. I'm happy with Special Relativity myself, though I think there's maybe an interpretational problem. Hmmn. Sorry to be such a downer. Maybe it would be better if I responded properly on your thread.