Help, Physics question

A uniformly charged disk of radius 35.0 cm carries a charge density of 7.90 x 103 C/m2. Calculate the electric field on the axis of the disk at the following distances from the center of the disk. (a) 5.00 cm MN/C (b) 10.0 cm MN/C (c) 50.0 cm MN/C (d) 200 cm MN/C





