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Re: [Phys-l] conservation versus constancy




In a message dated 10/16/2006 12:40:40 PM Eastern Standard Time,
Spinoza321@aol.com writes:


In a message dated 10/16/2006 11:21:16 AM Eastern Standard Time,
rlamont@postoffice.providence.edu writes:

Again, Not to nit-pick, but:

KE is neither "constant" nor "conserved". In fact, during the actual elastic
collision it can practically disappear. It's really a matter of how much of
it reappears as gross KE and how much as microscopic KE after the contact
phase of the collision.

Bob at PC






By definition elastic collisions conserve KE, inelastic collisions don't.
So what are you saying here?

Bob Zannelli





Never mind. You are talking about during the actual time interval of the
collision. Sorry.

Bob Zannelli