What is the Coulomb's force between two `alpha`-particles separated by a distance of `3.2xx10^(-15) m`.

Calculate the Coulomb.s force between two alpha particles separated by a distance of 3.2xx10^-15m

Calculate the coulomb's force between two alpha particles separated by a distance of 3.2 xx 10^(-15)m .

the coulombian force acting between two protons separated by a distance r is F, what would be the force acting between two alpha particles seperated by a distance 2r ?