Three charged metal disks are arranged as shown in Figure 17.70 (cutaway view). The disks are held apart by insulating supports not shown in the diagram. Each disk has an area of 2.5 m2 (this is the...

Three charged metal disks are arranged as shown in Figure 17.70 (cutaway view). The disks are held apart by insulating supports not shown in the diagram. Each disk has an area of 2.5 m2 (this is the area of one flat surface of the disk). The charge Q1 = 5 × 10−8 C and the charge Q2 = 4 × 10−7 C.