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12-09-2007, 01:18 AM
Re: C squared

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Originally Posted by AntonioLao View Post
The scalar product of absolute acceleration (a) and the space-time metric (r) is the square of lightspeed (c): ar=c. However, since absolute acceleration is not detectable, c seems to lack physical meaning.
Can you define what you mean by "absolute acceleration" in this sense?
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12-17-2007, 04:40 PM
Re: C squared

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Originally Posted by neutralino
"absolute acceleration"
it is the ratio of primary repulsive forces and unit mass not zero mass. If the latter is defined then the primary force could be infinity. If mass is described by Hadamard matrices then it could never be zero. On the other hand, Hadamard matrices could also described the zero of electric and color charges.
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Time independence: [∂E(g)]²=[∂F(a)×∂r(a)]·[∂F(b)×∂r(b)] and Mass independence: a(tr(t)=c²
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