What is the magnitude of the electrostatic force that a charge of +3.0 × 10-5 coulomb exerts on a charge of +6.0 × 10-6 coulomb that is 0.30 meter away? 5.4 × 10-2 N 1.8 × 10-3 N 1.8 × 101 N 5.4 × 100 N