2. A single neutral 2.00 g pithball is touched by a charged rubber rod which had a charge of 2.3 x 10* C. The pithball then comes into contact with anather pithball of equal size and shape. If the two pithballs are hung by two pieces of 3.00 cm thread from a single point (as shown) forming an angle of 15.0, what is the charge remaining on the original charged rod? (1.46 x 10* C) (4 marks) o~ ring stand