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Subject: Re: Capacitance, Force, Pressure, Mass (fwd)



---------- Forwarded message ----------
Date: Sun, 5 Aug 2007 05:48:22 -0400
From: Jared Dwarshuis <jdwarshuis@xxxxxxxxx>
To: Pupman <tesla@xxxxxxxxxx>
Subject: Subject: Re: Capacitance, Force, Pressure, Mass (fwd)

Subject: Re: Capacitance, Force, Pressure, Mass (fwd)

Analysis:  (yours)

A charged capacitor plate experiences Force and Pressure and has an increase
in Mass. The Force, Pressure and Mass  decrease as the capacitor discharges.

> Volume shows up in the numerator as Ad. The equation does imply that a
> volumetric chunk of uniform E field has a mass.

Hmmm.   I could swear you said the charged capacitor plate had an increase
in Mass.
Now I hear you say there is a volumetric E field mass.  Just a subtle
switch.

RWW

................................................................................................................................

When you blow up a balloon do you say that the balloon has increased mass?
(Clearly the membrane does not increase mass!)

Not obfuscation, just subtelties in language.

Sorry about the confusion!

Jared Dwarshuis