(20%) Problem 5: A non-conducting spherical shell with an inner radius a = 1.25 cm and an outer radius b = 1.75.cm has a uniform charge density Q = 2.6 C/m. That shell is inside another non-conducting sphereical shell with an inner radius a2 = 4.2 cm and an outer radius b = 4.60 cm that has a uniform charge density Q2 = 4.80 C/m. as az b P b2 Grade Summary Deductions 50% Part (a) What is the magnitude of the electric field in N/C at a point that is a distance r = 5.00 cm from the common center of the two spherical shells E = 5.251 N/C X Attempts Remain A 50% Part (b) Repeat the calculation for a point that is halfway between b and a. E2=525.1 N/C