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This question though is just too low level in physics and displays a lack of physics background and even if answered the person who asked would probably not understand th...
user54412
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Sorry for the layman question, but it's not my field.
Suppose this thought experiment is performed. Light takes 8 minutes to go from the surface of the Sun to Earth. Imagine the Sun is suddenly removed. Clearly, for the remaining 8 minutes, we won't see any difference.
However, I am wondering ...In particle and atomic physics, a Yukawa potential (also called a screened Coulomb potential) is a potential of the form
:V_\text{Yukawa}(r)= -g^2\frac{e^{-kmr}}{r},
where g is a magnitude scaling constant, i.e. is the amplitude of potential, m is the mass of the affected particle, r is the radial distance to the particle, and k is another scaling constant, which finally the product of km is the inverse scope. The potential is monotone increasing, implying that the force is always attractive.
The Coulomb potential of electromagnetism is an example of a Yukawa potential with e−kmr ...
