14. A small 4.0 x 10'3 kg charged sphere is suspended by a light thread between parallel plates, as shown in the diagram below. When the plates are connected to a 500 V source, the thread makes a 15\" angle with the vertical. 1! .025 m )r V 500 \\e' If the charge on the sphere is doubled, what is the angle the string will make? Include a Free Body Diagram. [A 5 marks, T 5 marks]