Explanation of what is what in the formula and the unit in which they are in.
The force between two charges.
The centrifugal force between two rotating masses.
The r * r in that equation is it the radie or the diameter? I mean the length.
The mass of light. There are two versions...
Photons and frekvensy
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They can go along way, forever without diminishing in intensity. Only if they hit something dead on do they spend their energy. They can however push matter before it if they are close to it without diminishing in energy as their energy is in their frekvency...