A ball with a charge of -2.00 nC is located at x = -3.00 m. Treat the ball as a point charge. (a) What is the electric field the ball produces at x = 2.00 m? Give answer in vector form. (5 points) (b) A second ball with a charge of -2.50 nC is placed at x = 2.00 m. What is the force the electric field exerts on this ball? Give answer in vector form. (5 points)