Two charged point-like objects are located on the x-axis. The point-like object with charge q1 = 6.00 μC is located at x1 = 1.25 cm and the point-like object with charge q2 = −2.40 μC is located at x2 = −1.80 cm (a) Determine the total electric potential (in V ) at the origin. V (b) Determine the total electric potential (in V ) at the point with coordinates (0, 1.50 cm). V