We know the charge of an electron,and we do need its mass.
Please let me know how each of them change ( Delta mass ) and (Delta charge ) change when the electron is rotating around the nucelli.We know M=mc^2,what is Q=q X (???) ?
Please let me know Delta Q,when the electron is speeding up.
Or only the e/m=1.7588028x10^11 changes.
I know q changes but how ?
nyphdinmd
Favorite Answer
You have confused two important concepts. Let's answer the question first. Charge does not change due to motion. It is a fundamental property of the electron.
The formula E = mc^2 is a statement that mass and energy are really the same thing. One can beconverted to the other. Charge on the other hand is a different fundamental property an does not have a relation simlar to mass and energy.
Now one of the posts put up the equation for the effective mass of a particle as a function of speed. This is a relativistic effect and if you work through the physics (which is not the same as writing an equation), you find that the mass increases with speed by converting some of the energy that would have goen to kinetic energy into mass. But charge does not change.
Doctor Q
The Charge doesn't change, but small particles such as electrons change their mass when accelerated according to the equation-:
Reletivistic Mass = Rest Mass / (1 - (sqrt(speed of electron / speed of light))
See this link....
http://en.wikipedia.org/wiki/Charge_invariance
GreyDog
Charge is not affected by velocity.
Mass is...
m(rel) = m(rest)/SQRT[ 1-(v/c)^2]