Question

What is the force, in terms of Coulomb's constant, between two electrical charges of `-7 C` and `-3 C` that are `6 m` apart?

Answer 1

`F=5.25*10^9N`

Explanation:

`Q_1=-7C`
`Q_2=-3C`

`r=6" "m`

`F=9*10^9((-7)*(-3))/6^2`

`F=(21*9*10^9)/36`

`F=21/4*10^9`

`F=5.25*10^9N`