A point charge with charge q1 = 2.80?C is held stationary at the origin. A second point charge with charge q2 = -4.50?C moves from the point (0.105m , 0) to the point (0.260m , 0.265m ). Please use 8.99×109N?m2/C2 for Coulomb's constant rather than writing it out as (1/4??0).
How much work W is done by the electrostatic force on the moving point charge?