O . neutral insulating support A negatively-charged sphere of mass, m, and Plate A Plate B charge -q is attached to a non-conducting thread and allowed to hang freely from a neutral insulating support. The hanging mass is then placed between two thin, parallel, and oppositely charged plates each with surface area A and each with a charge of magnitude Q. The separation distance between the charged plates is d. a. Which plate (A or B) is at a higher potential? b. In terms of the given parameters q, Q, m, A, and d and known constants as appropriate, calculate the angle, 0, that the charged mass displaces. c. In terms of the given parameters q, Q, m, A, 0, and d and known constants as appropriate, calculate the potential difference between the two plates