Only question 13 needed

Use the following information for the next three problems To determine the electric force on a 2.5 x 10 * kg neutral pith ball, a student charges a Van de Graaff generator and suspends the pith ball by an insulating thread. - 30.0 cm- 209 Pith ball Van de Graaff generator Question 11. When the neutral pith ball is placed near the charged Van de Graaff generator, the pithball is attracted to the generator as a result of A Induction B. Conduction C. Friction D. Temporary Separation of Charge. Question 12. The direction of the electrical force on the pith ball is A. B C. D. Question 13. Determine the magnitude of the electrostatic force that acts on the pith ball