Radius of the Earth proves spherical

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Re: Radius of the Earth proves spherical
« Reply #60 on: March 12, 2007, 09:50:29 AM »
hello another slightly off topic point here i hope someone can sort out.  FE theory states that the reason things dissappear on the horizon is because they just get so small we cannot see them!  if this is the case when i got myself and my brother both to watch a boat sailing off to france (i am english) i had a high powered pair of binoculars he had his eyes we both saw the boat dissappear at the same time?

Re: Radius of the Earth proves spherical
« Reply #61 on: March 12, 2007, 09:53:29 AM »
hello another slightly off topic point here i hope someone can sort out.  FE theory states that the reason things dissappear on the horizon is because they just get so small we cannot see them!  if this is the case when i got myself and my brother both to watch a boat sailing off to france (i am english) i had a high powered pair of binoculars he had his eyes we both saw the boat dissappear at the same time?

Shadow object.
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Re: Radius of the Earth proves spherical
« Reply #62 on: March 12, 2007, 09:55:24 AM »
yeah FE people seem to hide behind that alot and relitivity even tho they are horribly misquoting the theory!

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TheEngineer

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Re: Radius of the Earth proves spherical
« Reply #63 on: March 12, 2007, 09:57:49 AM »
relitivity even tho they are horribly misquoting the theory!
What part of Relativity have I 'misquoted'?


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Re: Radius of the Earth proves spherical
« Reply #64 on: March 12, 2007, 09:58:43 AM »
relitivity even tho they are horribly misquoting the theory!
What part of Relativity have I 'misquoted'?

The bit about da shadow object:

"Ich bin homosexual, MY GOD DERE IZ DA SHADOW OBJECT!!!" - Einstein.
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Re: Radius of the Earth proves spherical
« Reply #65 on: March 12, 2007, 10:01:17 AM »
i didnt say you had i said some FE theorists had! in another thread good old tom was trying to persuade me that the fact with mathmatics you can PROVE 1=0 was only because i did not understand relitivity! also if we are indeed acelerating at a constant rate of 9.81m/s2 for the last 4.5ish billion years we would be moving at 47000000 times the speed of light relitivity has nothing to do with that!

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TheEngineer

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Re: Radius of the Earth proves spherical
« Reply #66 on: March 12, 2007, 10:03:48 AM »
also if we are indeed acelerating at a constant rate of 9.81m/s2 for the last 4.5ish billion years we would be moving at 47000000 times the speed of light relitivity has nothing to do with that!
Relativity has everything to do with it.


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Re: Radius of the Earth proves spherical
« Reply #67 on: March 12, 2007, 10:12:15 AM »
i do joint physics and chem at uni and as far as i know relitivity deals pretty much totally with the warping and bending of time when things start to move close to the speed of light! please quote me the exact part saying it is to do with if u are accelerating at a constant acceleration how you can not whizz straight past the speed of light

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TheEngineer

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Re: Radius of the Earth proves spherical
« Reply #68 on: March 12, 2007, 10:15:20 AM »
The exact part?  How about the part where it says that nothing can accelerate past the speed of light?  Or how about the EQUATIONS of Relativity!  You need to study a little bit harder over there at your 'Uni'.


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Re: Radius of the Earth proves spherical
« Reply #69 on: March 12, 2007, 10:19:24 AM »
The exact part?  How about the part where it says that nothing can accelerate past the speed of light?  Or how about the EQUATIONS of Relativity!  You need to study a little bit harder over there at your 'Uni'.

valid point but in that case the earth cannot be accelerating at a constant rate it must have slowed down or else it would have done what relitivity bans! :)

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TheEngineer

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Re: Radius of the Earth proves spherical
« Reply #70 on: March 12, 2007, 10:22:18 AM »

valid point but in that case the earth cannot be accelerating at a constant rate it must have slowed down or else it would have done what relitivity bans! :)
Except that those EQUATIONS of Relativity allow for a constant acceleration without ever exceeding the speed of light.


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Re: Radius of the Earth proves spherical
« Reply #71 on: March 12, 2007, 10:32:59 AM »
ok i accept that i might not have learnt that or merely forgotten it but i cannot find anything at the precise moment about this could you please show me these equations

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TheEngineer

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Re: Radius of the Earth proves spherical
« Reply #72 on: March 12, 2007, 10:35:02 AM »
w = (u+v)/(1+u*v/c^2)


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Re: Radius of the Earth proves spherical
« Reply #73 on: March 12, 2007, 10:39:42 AM »
please define terms

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TheEngineer

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Re: Radius of the Earth proves spherical
« Reply #74 on: March 12, 2007, 10:45:23 AM »
w is the new velocity

U is the current velocity

v is the additional velocity (due to acceleration)

c is the speed of light


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Re: Radius of the Earth proves spherical
« Reply #75 on: March 12, 2007, 11:10:05 AM »
w = (u+v)/(1+u*v/c^2)

ok simplifying it down cause you have a fraction over a fraction we get w=(u+v)*c^2/(1+(u*v)) assuming we let something fall from stop for one second at and acceleration of 9.81m/s^2 it will go from 0m/s to 9.81m/s.  by your formulea w=((0+9.81)*3*10^8/)1+0=2943000000m/s........ a slight anomoly

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TheEngineer

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Re: Radius of the Earth proves spherical
« Reply #76 on: March 12, 2007, 11:34:57 AM »
That's because you don't know how to do algebra.


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Re: Radius of the Earth proves spherical
« Reply #77 on: March 12, 2007, 11:38:20 AM »
well please do tell me where i went wrong

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TheEngineer

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Re: Radius of the Earth proves spherical
« Reply #78 on: March 12, 2007, 11:41:03 AM »
How did you get the c^2 into the numerator?


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Re: Radius of the Earth proves spherical
« Reply #79 on: March 12, 2007, 11:43:41 AM »
because you have term1/term2/c^2a fraction over a fraction so we can view it as term1/1 * c^2/term2. for an example of this 1/2/1/4=2

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TheEngineer

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Re: Radius of the Earth proves spherical
« Reply #80 on: March 12, 2007, 11:45:37 AM »
No, I have term1/(term2 +term3/c^2).  Not quite the same thing.


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Re: Radius of the Earth proves spherical
« Reply #81 on: March 12, 2007, 11:52:29 AM »
No, I have term1/(term2 +term3/c^2).  Not quite the same thing.

sorry miss understanding on the writing of it so...w=(u+v/1) + (v*u/c^2)??

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TheEngineer

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Re: Radius of the Earth proves spherical
« Reply #82 on: March 12, 2007, 11:55:17 AM »
No, it's:

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w = (u+v)/(1+u*v/c^2)


"I haven't been wrong since 1961, when I thought I made a mistake."
        -- Bob Hudson

Re: Radius of the Earth proves spherical
« Reply #83 on: March 12, 2007, 11:56:10 AM »
because you have term1/term2/c^2a fraction over a fraction so we can view it as term1/1 * c^2/term2. for an example of this 1/2/1/4=2

1/2 = 0.5/1 = 0.5/4 = 0.125?
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TheEngineer

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Re: Radius of the Earth proves spherical
« Reply #84 on: March 12, 2007, 12:18:09 PM »
for an example of this 1/2/1/4=2
Wow.  Are you sure you are at a university?


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Franc T., Planar

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Re: Radius of the Earth proves spherical
« Reply #85 on: March 12, 2007, 12:46:50 PM »
for an example of this 1/2/1/4=2
Wow.  Are you sure you are at a university?

0.5/0.25 = 2. Don't you understand fractions?
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TheEngineer

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Re: Radius of the Earth proves spherical
« Reply #86 on: March 12, 2007, 12:48:57 PM »
0.5/0.25 = 2. Don't you understand fractions?
Don't you understand the order of operations?
1/2/1/4 is not (1/2)/(1/4).


"I haven't been wrong since 1961, when I thought I made a mistake."
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Re: Radius of the Earth proves spherical
« Reply #87 on: March 12, 2007, 12:50:26 PM »
even moobs workered dis 1 out.
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Franc T., Planar

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Re: Radius of the Earth proves spherical
« Reply #88 on: March 12, 2007, 12:52:21 PM »
0.5/0.25 = 2. Don't you understand fractions?
Don't you understand the order of operations?
1/2/1/4 is not (1/2)/(1/4).

It was obviously a fraction, not a series of divisions. Don't obfuscate the issue.
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TheEngineer

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Re: Radius of the Earth proves spherical
« Reply #89 on: March 12, 2007, 12:56:20 PM »
It sure looks like a series of divisions.  It is not obviously a fraction.  Math is precise.


"I haven't been wrong since 1961, when I thought I made a mistake."
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