Re: There's work, and then there's work

[David Rutherford <drutherford@SOFTCOM.NET>]

Bob LaMontagne wrote:
> David Rutherford wrote:
>
> > Talk to Ludwik about it, he agrees with me that doing both experiments
> > at the same time on the same circuit is valid. Check his response in
> > this thread at
> >
> > http://mailgate1.nau.edu/cgi-bin/wa?A2=ind0301&L=phys-l&F=&S=&P=38796
> >
> > Maybe he can explain it better to you than I can. I'm fresh out of new
> > ways to explain it, sorry.
>
> Of course you can perform both measurements (current vs time and temperature rise)
> simultaneously in the same experiment - however, nowhere does he agree that the
> results can be added. They are simply two ways of measuring the same quantity - the
> energy in the capacitor.

Let me try another approach. Do you agree that the temperature rise,
outside the resistor, is due _only_ to the transverse component of the
velocity of the particles (disregarding the mass, etc.) in the resistor?
If your answer is yes, you must also agree that there is energy, due to
the longitudinal component of the velocity, that is _not_ being
accounted for in the calorimeter experiment. If your answer is no, then
please explain how a hypothetical particle with _only_ a longitudinal
velocity would cause a heat rise in the environment outside the
resistor. If it doesn't cause a heat rise, then its energy is not being
accounted for in the calorimeter experiment.

Likewise, do you agree that a hypothetical particle with _only_ a
transverse velocity is not accounted for in the current experiment? If
your answer is yes, then you must agree that the energy of this particle
is not accounted for in the current experiment. If your answer is no,
then please explain how the energy of this particle is accounted for in
the current experiment.

If each experiment, by itself, gives an incomplete accounting of the
energies of the particles, then only a combination of the two results
will give the total energy.

--
Dave Rutherford
"New Transformation Equations and the Electric Field Four-vector"
http://www.softcom.net/users/der555/newtransform.pdf

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