Physics

Problem

Two identical point charges of

+5\,\mu\text{C}

are fixed at

x=-4\,\text{cm}

and

x=+2\,\text{cm}

on the

x

–axis in vacuum. State the direction of the electrostatic force experienced by the charge at

x=+2\,\text{cm}

. Give your answer as a Cartesian unit vector.