Answer: a. 3.5 × 10^–8 J
Explanation:
The electric potential energy of the charge is given by:
[tex]U=Fd[/tex]
where
[tex]F=3.6\cdot 10^{-4} N[/tex] is the force exerted on the charge
[tex]d=9.8 \cdot 10^{-5} m[/tex] is the distance of the charge from the source of the electric field
Substituting the numbers into the equation, we find
[tex]U=(3.6\cdot 10^{-4} N)(9.8\cdot 10^{-5} m)=3.5\cdot 10^{-8} J[/tex]
