part 1 of 3 A long cylindrical insulator has a uniform charge density of 0.43 μC/m³ and a radius of 3 cm. Previous Responses ✓ #1.485.65 3 cm 2 cm What is the electric field inside the insulator at a distance of 2 cm? The permeability of free space is 8.85419 x 10-12 C²/N/m². Answer in units of N/C. part 2 of 3 What is the electric field at 10 cm? Answer in units of N/C. Previous Responses X #1.2428.27 X #2. 2428.23 ✓ #3.218.54 part 3 of 3 How much work must you do to bring a 0.023 C test charge from 10 cm to 2 cm? Answer in units of J. Your response... Previous Responses X# 1. 4.93 x 10^-7 X #2.-7.45x10^-7 X # 3. 4.66x10^-7 X #4.-4.93x10^-7 X #5.-4.66x10^-7

(a) What is the electric field of an oxygen nucleus at a point that is 1010 m from the nucleus? (b) What is the force this electric field exerts on a second oxygen nucleus placed at that point?

Consider a uranium nucleus to be sphere of radius R=7.41015 m with a charge of 92e distributed uniformly throughout its volume. (a) is the electric force exerted on an electron when it is 3.01015 m from the center of the nucleus? (b) What is the acceleration of the electron at this point?

A total charge 5.0106 C is distributed uniformly throughout a cubical volume whose edges are 8.0 cm long. (a) What is the charge density in the cube? (b) What is the electric flux through a cube with 12.0-cm edges that is concentric with the charge distribution? (c) Do the same calculation for cubes whose edges are 10.0 cm long and 5.0 cm long. (d) What is the electric flux through a spherical surface of radius 3.0 cm that is also concentric with the charge distribution?