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From: mpc755 on 23 Jul 2010 00:42
On Jul 22, 6:26 am, funkenstein <luke.s...(a)gmail.com> wrote:
> On Jul 22, 10:40 am, mpc755 <mpc...(a)gmail.com> wrote:
>
>
>
> > On Jul 21, 11:52 pm, PD <thedraperfam...(a)gmail.com> wrote:
>
> > > On Jul 21, 6:08 pm, colp <c...(a)solder.ath.cx> wrote:
>
> > > > On Jul 22, 10:12 am, PD <thedraperfam...(a)gmail.com> wrote:
>
> > > > > On Jul 21, 4:45 pm, colp <c...(a)solder.ath.cx> wrote:
> > > > > > What is your point?
>
> > > > > That there is nothing in kinetic theory that points to or relies on an
> > > > > absolute frame.
>
> > > > (reposting reply to similar assertion by Paul Stowe)
>
> > > > Nope. For example, take two molecules, each with mass m, and separated
> > > > by distance d. Give the molecules velocities such that they will
> > > > approach each others center of mass and collide at time t. The
> > > > calculated energy of the collision will depend on how you measure your
> > > > velocities.
>
> > > > For either molecule, the relative velocity of the other molecule will
> > > > be d/t or -d/t.
> > > > The calculated energy of collision is 1/2 mv^2 = 1/2 m.d^2/t^2, since
> > > > one molecule is deemed to be stationary.
>
> > > > If, instead, we say that each molecule is moving toward a stationary
> > > > collision point, then v = d/2t or -d/2t
> > > > The calculated energy of collision is now 2 * 1/2 mv^2 = m.d^2/4t^2 =
> > > > 1/2 m.d^2/2t^2
>
> > > > The two calculations disagree by a factor of two.
>
> > > First of all, the principle of relativity does NOT mean that the VALUE
> > > of physical quantities are the same in all reference frames.
>
> > > Secondly, please consider what you mean by "energy of collision". The
> > > energy of collision is NOT the total kinetic energy available.
>
> > > I'll give you an example. Consider a completely inelastic collision
> > > where two equal masses collide and then stick together. This will
> > > involve a transformation of kinetic energy into energy of deformation
> > > (or reconformation), heat, sound, etc. The completely inelastic case
> > > is the case where the maximum amount of kinetic energy is so
> > > transformed.
>
> > > I'd like for you to calculate this energy transformed for this
> > > collision as viewed in two reference frames, just as you've done
> > > above: One where one of the masses is initially stationary and the
> > > other is moving at v; and one where both masses are approaching at v/
> > > 2.
>
> > > Please remember that to find the final velocities in both cases you
> > > will need conservation of momentum.
>
> > Why are downgraded photon pairs not required to have opposite angular
> > momentums in order to conserve the original photons momentum in order
> > for there to be conservation of momentum in order for there to be
> > instantaneous action at a distance?
>
> > You still have not answered the questions.
>
> Looks like he asked first.  I like trying to answer, so I'll give your
> very difficult questions a shot.  Why not try to answer some too?
>
> > Explain  what occurs physically in nature to cause spacetime to curve
> > but not move.
>
> Spacetime does both, only the motion is not detectable.  This is gauge
> invariance, proven by MMX experiment.
>
> > Explain what occurs physically in nature which allows a C-60 molecule
> > to enter, travel through, and exit multiple slits simultaneously
> > without losing momentum.
>
> The "particle" is a wave.
>
> > Explain what occurs physically in nature when mass converts to energy.
>
> The "mass" actually already was a bundle of energy, with properties we
> call mass.
>
> > Explain what occurs physically in nature which allows the future to
> > determine the past.
>
> Not sure where you are going with this one..  are you talking about
> antimatter?  One answer is that one can use observations at some time
> T to determine what happened at T-x..
>
> > Explain what occurs physically in nature to cause gravity.
>
> G_uv = 8pi T_uv
>
> The space-time structures which have mass affect the surrounding space-
> time like that.
>
> [snip spam]

'Like that'? Is that how they teach it in science school?
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