As a +6.2-μC charge moves along the x axis from x = 0 to x = 0.70 m, the electric potentia...

As a +6.2-μC charge moves along the x axis from x = 0 to x = 0.70 m, the electric potential it experiences is shown in Figure 20-21. Find the approximate location(s) of the charge when its electric potential energy is (a) 2.6 × 10—5 J and (b) 4.3 × 10—5 J.

FIGURE 20-21 Problem