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Article #16353

Re: Pound Rebka

#16353
From: Ken S. Tucker
Date: Sat, 05 Jan 2008 21:20
110 lines
6962 bytes
On Jan 5, 1:12 pm, John C. Polasek <jpola...@cfl.rr.com> wrote:
> On Sat, 05 Jan 2008 04:57:44 GMT, "hanson" <han...@quick.net> wrote:
>
> >"John C. Polasek" <jpola...@cfl.rr.com> wrote in message
> >news:atutn3l8ceqbc38v4v6on8jeumsl2di3fc@4ax.com...
> >> On Fri, 04 Jan 2008 22:42:29 GMT, "hanson" <han...@quick.net> wrote:
>
> >>>"Eric Gisse" <jowr...@gmail.com> wrote in message
> >>>news:30d40ddf-3af0-4765-9287-ca83ba2b25a5@i29g2000prf.googlegroups.com...
>
> >>>Mitch Raemsch aka BURT <macromi...@yahoo.com> wrote:
> >>>Light is blueshifted on its way into gravity.
> >>>Light is redshifted on its way out.
>
> >>>Pentcho Valev wrote:
> >>>Sometimes even Einsteinians explain this correctly:
> >>><http://www.blazelabs.com/f-g-gcont.asp> ...
> >>>...  since even Einstein himself suggested in a paper "On the
> >>>Influence of Gravitation on the Propagation of Light," Annalen der
> >>>Physik, 35, 1911, that the speed of light might vary with the
> >>>gravitational potential. One can find his calculation in his paper.
> >>>The result is c'= c(1+V/c^2) where V is the gravitational
> >>>potential relative to the point where the measurement is
> >>>taken. 1+V/c^2 is also known as the GRAVITATIONAL
> >>>REDSHIFT FACTOR."
>
> >>>Pentcho Valev wrote:
> >>>Pound and Rebka found experimentally that the GRAVITATIONAL
> >>>REDSHIFT obeys the equation f'= f(1+V/c^2), which is consistent
> >>>with Einstein's 1911 equation c'= c(1+V/c^2) and the textbook
> >>>formula:   ---  frequency = (speed of light)/(wavelength)
>
> >>>"Max Keon" <maxk...@optusnet.com.au> wrote:
> >>>In 1960, using the Mossbauer effect, Pound and Rebka succeeded
> >>>in measuring the extremely small change (only about 1 part in 4e+14)
> >>>of frequency of the ** y-rays ** emitted by a sample of radioactive iron
> >>>when it was moved from the bottom of the tower to the top of a tower
> >>>74 feet high. The observed frequency change agreed with the
> >>>relativity prediction within 5%."
> >>>According to your equation  f'= f(1+V/c^2)
> >>>V(a) and V(b) for the tower base and tower top is:
> >>>G = 6.67E-11
> >>>M = 5.97E+24
> >>>ra = 6378000   Tower base radii
> >>>rb = 6378023   Tower top radii (+23 meters (74 feet) high)
> >>>Va = G * M / ra ^ 2  = 9.7888378648735791276869837432118
> >>>Vb = G * M / rb ^ 2  = 9.7887672652959533370556770582427
>
> >>>[Eric Gisse]
> >>>Potential energy is GM/r, idiot. You wrote down force.
> >>>[snip remaining]
>
> >>>[hanson]
> >>>It is not very clear what Potential *energy* Eric is talking about
> >>>and for that matter what force. When I look at Eric's equation of
> >>>Potential energy = GM/r where presumably G = L^3*M^-1*T^-2
> >>>then Eric's Potential energy becomes a phenomenon, an event,
> >>>with the dimension of L^2/T^2, a squared velocity, which is as
> >>>mysterious as are  Keon's "y-rays"... but both of which appear
> >>>to produce a mutual benefit for the mysterious term of "idiot".
> >>>Thanks for the laughs, guys... ahahahaha... ahahahanson
>
> >[John C. Polasek]
> >> I'll just add this so you don't make such an ass of yourself.
> >> The potential energy MG/4 is equal to V^2/2 terminal velocity if
> >> dropped from infinity to R.
> >> John Polasek
>
> >[hanson]
> >.... ahahahahaha... But John, it is not clear here who that "you"
> >really is, because **energy**, potential of otherwise, is defined
> >as a dimensional identify of M*L^2/T^2 and hence MG/(4 or n)
> >will have the dimension of M * L^3*M^-1*T^-2 = L^3/T^2 which
> >is NOT any velocity^2. --- v^2 has a L^2/T^2 dimension.
>
> >So, John  do clarify your statement or you may fall victim to the
> >same queer mentation as does Karandash aka "Dono", the Homo,
> >who Dunno aka <sa_ge at comcast.net> who has posted and
> >attributed to himself lately , that he, the "fa_ge-le", was a
> >http://eldoradoclub.net/images/wacko-lg_1_.gif
> >and to boot also insists that he is
> >http://devilskitchen-chilli.co.uk/Liquid%20Stoopid.jpg
> >and then he proudly claims to be a
> >http://www.movv.com/prvupload/uploads/super_retard_stfu.jpg
> >and adds one more confession to his own wrap sheet stating
> >that he is a
> >http://politicalpartypoop.com/wp-content/uploads/2007/08/retard.jpg
> >and  presenting himself in grand style in/as
> >http://www.ntoddblog.org/photos/atriots/asshat.jpg
> >and reveals a picture of himself to reassert that he Karandash
> >aka "Dono", the Homo, who Dunno has realized that he is the
> >http://shop.abc.net.au/multimediaitems/images/product_images/5/500188...
>
> >Thanks for the laughs... ahahaha... ahahahanson
>
> MG/r is the potential per unit mass.
> We agree: MG/r^2 is LT^-2. Multiply by L to get MG/r and now it's
> L^2T^-2 or velocity squared. You need a test mass m to make it real
> energy.
> Integrate a unit mass in the field MG/r^2 from infinity to R and you
> get MG/R joules for the 1 kg unit mass.
> John Polasek

Minor issue John, should that be 2GM/R?
Escape velocity being,

Ve = sqrt (2GM/R)

Best Regards
Ken
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From: "Ken S. Tucker" <dynamics@vianet.on.ca>
Newsgroups: sci.physics, sci.physics.relativity, rec.org.mensa, 
 fr.sci.physique, sci.astro
Subject: Re: Pound Rebka
Date: Sat, 5 Jan 2008 13:20:21 -0800 (PST)
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