Recent content by sami_m

the question is - whether the observed Robertson-Walker-Friedmann-Lemaitre metric of the spacetime ds^2 = dt^2 - a(t) dr^2 together with all cosmological observations such as -expansion of distances -cosmological redshift and time dilation -Tolman test (surface brighness is proportional to...

the question is - whether the observed Robertson-Walker-Friedmann-Lemaitre metric of the spacetime ds^2 = dt^2 - a(t) dr^2 together with all cosmological observations such as -expansion of distances -cosmological redshift and time dilation -Tolman test (surface brighness is proportional to...

i think it is a simple theoretical question, that's why i ask it here. if that would not be the case i would post a different kind of thread and post it in science fiction forum.

Expanding universe or contracting matter? this may look very weird question, but what if instead of that the universe is expanding, all matter is contracting as a function of its (proper) time? Δs' = Δs_0 /F(t) The contraction of matter would effect on the length unit what we use. I am...

they don't mention there the orientation of the orbit, is it because , if the perihelion is of the orbit is slowly migrating, then the orientation can be anything now?

What would be the propable trajectory and position of the ninth planet that has been suggested few days ago (20.1.2016 by Konstantin Batygin and Michael E. Brown) ? if i understood correctly, the exact position of the planet is unknown and has not been evaluated. But by looking this article...

yes,that is true i said wrongly - i mean in high energy collisions it may be possible to see at least: -whether E_{tot} \to \sqrt { p^2c^2 + m^2c^4} when v \to c ( E_{tot} approach asymptotically this Energy formula) and -whether E_{mass} = E_{tot} - E_{kin} \to mc^2 when v \to c (...

so the relativistic form of the energy would be E= \gamma mc^2 +A(v) = \sqrt{p^2c^2 + m^2c^4 }+A(v) , but nobody talks about possible term A(v). I am not sure about this , but E may have at least observed to have maximum: E \to \sqrt{p^2c^2 + m^2c^4} , when v \to c but there may be room to...

for seeking if A(c) = 0, or A(v) = 0 i guess it can be done by seeking the maximum of the released total energy per one collision ?

thinking about it, the possibility that if g(0) is allowed to be 0, it may be that mg(v) then is not anymore inner property of the particle -it doesn't describe the inner energy of the particle anymore. But then mg(v) stil might describe total energy that is associated to kinetic energy and...

I list here how i can evaluate the term A(v) based on my knowledge: I think A(v) is nonzero is interesting possibility to think about. 1. Observations tell that the momentum has equation p = \gamma mv and kinetic energy E_{kin} = mc^2(\gamma - 1) 1.b But i think this does not have effect...

i think, this to be complete derivation, the case g(0) = 0 must be included there also. For example if g(v)m = B(v) \frac{1}{2} mv^2 (g(v)m is a product of classical kinetic energy and B(v), that is some function of v) ,then g(0) = 0 but if B(v) \neq 0 , then g(v) \neq 0 , when v \neq...

There is derivation in wikipedia, which ends to result W = m\gamma c^2 - mc^2 From that i can see that there must be two energy terms present: W = [m\gamma c^2 + A(v)] - [mc^2 + A(v)] By looking this work integral i there is still term A(v), but if it is assumed that A(v) = 0, then the last...

So this derivation is valid when g(0) is not 0 i mean that if i insist that if g(0) = 0 , i see that there is three possibilities: A) g(0) just can't be zero B) Energy equation 1 can't be true because it would give result g(v) = 0 and there is something wrong in this equation. C) M just can't...

Let F be the center-of-mass frame. In this frame, the initial velocity of one wad is +v (let it be in the x-direction), and the initial velocity of the other wad is -v. Afterward, the larger mass M that results is stationary. Conservation of energy gives: 2 g(v) m = M g(0) Wait a moment, what...