Re: rest mass/relativistic mass question
- From: "Chalky" <utpalchakraborty@xxxxxxxxx>
- Date: Sun, 19 Feb 2006 15:41:50 +0000 (UTC)
thanks everyone for taking the time to reply.
i was pretty sure that a mass moving inertially will not turn into a
black hole (as described in the Baez faq). I understood that much.
However, as I said in my first post the proton is not moving
inertially. It is continuously accelerating getting as close to c as
possible in a limiting sense.
The acceleration does not make any difference?
Greg Egan Write:
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if your proton is in a linear accelerator, I'm sure it
will never become a black hole, because that's basically just changing
the frame of reference.
The kinetic energy of objects *confined* inside a bounded region would
contribute to the total mass-energy in that region -- e.g. a very, very
fast spin could turn the Earth into a black hole (if it was made of
something strong enough) and I guess even a proton moving in a suitably
implausible cyclotron could (along with the energy density of the
magnetic field needed to confine it) turn the cyclotron into a black
hole.
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So a linear acceleration of a proton does not turn it into a hole, but
an angular acceleration might?
.
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- Re: rest mass/relativistic mass question
- From: Greg Egan
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