describe the expression for relavistic movement of particle of rest mass m ,moving with speed u
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As far as I know only photons are considered to have no rest-mass. In common words when it doesn't move it 'disappears'.
Electrons and quarks should have a rest-mass. But are they really at rest?
In atoms and molecules is always a kind of zero-point energy left which implies that there is still some 'movement' in the particles.
So when an electron or quark is really at rest does it still exist?
Or does it 'disappear' just like a photon?
And hence is there really a difference in mass-property of particles or is the equation $E=mc^2$ already suggesting that there is no real property difference in mass between a photon and electron?
Electrons and quarks should have a rest-mass. But are they really at rest?
In atoms and molecules is always a kind of zero-point energy left which implies that there is still some 'movement' in the particles.
So when an electron or quark is really at rest does it still exist?
Or does it 'disappear' just like a photon?
And hence is there really a difference in mass-property of particles or is the equation $E=mc^2$ already suggesting that there is no real property difference in mass between a photon and electron?
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m(relative) = m(initial)/√1-u^2/c^2 This is the relativity equation which describes the mass of the body relative to some point or object in space, which sees the object moving with speed u. If you take an example and Calculate the m(relative) it would vary with velocity the more the velocity increases the more the m(relative) increases and more you move in time I mean time slowes that's time dilation
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