Derive an expression for the work that an external agent must do to move two point…

PHYSICS · Subjective · AP · Physics 2: Algebra-based · Electric Force Field and Potential · Electric Force Field and Potential

Problem

Derive an expression for the work

W

that an external agent must do to move two point charges quasi-statically from an initial separation

r_i

to a final separation

r_f

. Express your answer in terms of

q_1

q_2

r_i

, and

r_f