Q,R Figure Consider this charge arrangement Consider the charge arrangement shown in gure Use the values Q ZnC, R 50 em, (1 50 11C. How much work is needed to move the small point charge I; from an initial distance at,- 15 em from the center of the disk to a nal distance If 5 em from the center of the disl-c1 if the point charge starts and ends at rest? The Electric Field for a disk from the center of the disk is 13:01:) kQ(] ) (3) and the Electric potential from the center of the disk is 17(1) ugh/$2 l n2 I). (4)