Two Protons in a Nucleus of ²³⁸U Are 6

Two protons in a nucleus of ²³⁸U are 6.0 × 10^-15 m apart. The electrostatic potential energy of the pair is approximately

A) zero.
B) 4.7 × 10^-34 J.
C) 4.3 × 10^-24 J.
D) 3.8 × 10^-14 J.
E) 2.4 × 10⁴ J.