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Article #16367

Re: Pound Rebka

#16367
From: hanson
Date: Fri, 04 Jan 2008 22:42
54 lines
4002 bytes
"Eric Gisse" <jowr.pi@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
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From: "hanson" <hanson@quick.net>
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