one particle has a charge of -1.87 x 10[tex]-1.87 x 10⁻₉C while the other particle has a charge of -1.10 x 10⁻9C. if the two particles are separated by 0.05, what is the electromagnetic force between them. the equation for Coulomb's law and the constant κ, equals 9.00 x 10⁹ N·m²/C².