A solid plastic sphere of radius R1 = 8.00 cm is concentric with an aluminum spherical shell with inner radius R2 = 14.0 cm and outer radius R3 = 17.0 cm (see figure below). Electric field measurements are made at two points: At a radial distance of 34.0 cm from the center, the electric field has magnitude 8.55 x 103 N/C and is directed radially outward, and at a radial distance of 12.0 cm from the center, the electric field has magnitude 2.35 x 104 N/C and is directed radially inward. What are the net charges on the following? - Plastic R1 R2 · Aluminum R3 (a) the plastic sphere (b) the aluminum spherical shell (c) What are the charges on the inner and outer surfaces of the aluminum spherical shellI? Qinner Qouter

A solid plastic sphere of radius R1 = 8.00 cm is concentric with an aluminum spherical shell with inner radius R2 = 14.0 cm and outer radius R3 = 17.0 cm (see figure below). Electric field measurements are made at two points: At a radial distance of 34.0 cm from the center, the electric field has magnitude 8.55 x 103 N/C and is directed radially outward, and at a radial distance of 12.0 cm from the center, the electric field has magnitude 2.35 x 104 N/C and is directed radially inward. What are the net charges on the following? - Plastic R1 R2 · Aluminum R3 (a) the plastic sphere (b) the aluminum spherical shell (c) What are the charges on the inner and outer surfaces of the aluminum spherical shellI? Qinner Qouter