Re: [Phys-L] To exist or not to exist

[Bill Nettles <bnettles@uu.edu>]

Hmmm...
So p + p + 2 GeV of subjective CM kinetic energy --> p + p + 2 more objective masses (p + p_bar) ?  What is the subjective/objective mediator?

> -----Original Message-----
> From: Phys-l [mailto:phys-l-bounces@phys-l.org] On Behalf Of Ludwik
> Kowalski
> Sent: Saturday, February 02, 2013 6:15 PM
> To: phys-L new
> Subject: [Phys-L] To exist or not to exist
>
> The short essay below was inspired by recent exposures. Comments will be
> appreciated.
>
>  Our material world is made of physical objects; anything that has a certain
> mass, and occupies a certain volume in space, is an object. Some objects,
[snip]
> of objects. Does kinetic energy exist in the same way as a moving car? I do
> not think so. Energy, like force and acceleration, is a physical quantity
> invented to describe and understand objects. Such theoretical quantities


> [snip]           To "exist subjectively" is not the same
> thing as to "exist objectively." Do you agree?
>
> Ludwik Kowalski