PLEASE PROVIDE AS MUCH EXPLANATIONS FOR THE LAST QUESTION. What is the magnitude

Question

PLEASE PROVIDE AS MUCH EXPLANATIONS FOR THE LAST QUESTION.

What is the magnitude of the electric force between a proton and an electron when they are at a distance of 4.43 angstrom from each other? (in N) What is the magnitude of the electric force between two protons inside a nucleus when they are at a distance of 4.43 fermi from each other? (in N) What is the magnitude of the electric force between an 'up' and a 'down' quark inside a proton when they are at a distance of 0.800 fermi from each other? (The up quark has an electric charge of |+2/3)e, the down quark has an electric charge of (-l/3)e, where e is the elementary charge.)(in N)

Explanation / Answer

F = q1*q2 / (4??o * r

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