A point charge with charge Q1 is held stationary at the origin. A second point charge with charge moves from the point (x1, 0) to the point (x2,x2 ).

Question

A point charge with charge Q1 is held stationary at the origin. A second point charge with charge  moves from the point (x1, 0) to the point (x2,x2 ).

drwls · Answer

What is the question? What is the second point charge (Q2)?