Given that,
Charge, q₁ = 7.03 nC
Charge, q₂ = 4.26 nC
Distance, r = 1.75 m
To find,
The magnitude of the electrostatic force that one charge exerts on the other.
Solution,
The force between two charges at a distance is given by the formula as formula :
[tex]F=\dfrac{kq_1q_2}{r^2}\\\\F=\dfrac{9\times 10^9\times 7.03\times 10^{-9}\times 4.26\times 10^{-9}}{(1.75)^2}\\\\=8.8\times 10^{-8}\ N[/tex]
So, the required force is [tex]8.8\times 10^{-8}\ N[/tex].