A point charge q₁=+3.0μC is placed at the origin of an x-y coordinate system, while another point charge q₂=-2.0μC is located at a distance of d=4.0cm along the x-axis from q. Coulomb's constant is k=8.99×10⁹ Nm²/C²
Calculate the magnitude and direction of the electrostatic force exerted on q₂ by q₁ , using Coulomb's law.