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Mohamad&Issa
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"K" in Coulomb's law
Hi I want to ask how we can get k in Coulomb's law.
Hi I want to ask how we can get k in Coulomb's law.
Pretty much like anything you measure ten? Numercal value depends on the units you use - how you measure it.Its numerical value depends on the charge unit.
Yes, but I meant: the Coulomb constant is a definition of our charge unit, in a sense. It does not say anything about reality. It just says about us - namely about our unit system. This is just a force that two particles of one unit charge extert one on another.Pretty much like anything you measure ten? Numercal value depends on the units you use - how you measure it.
Suppose that you have 2 equivalent descriptions of reality and a transformation between them. The "reality" is the thing that is unchanged under this transformation. Everything else is not "reality", it is just a trait of that particular description.Perhaps you mean that scale factors are not part of "reality"? Or just this particular one?