A solid sphere of radius 40.0 cm has a total positive charge of 29.2 µC uniformly distributed throughout its volume. Compute the magnitude of the electric field at the following distances.
1. 0 cm from the center of the sphere
........kN/C
2. 10.0 cm from the center of the sphere
.........kN/C
3. 40.0 cm from the center of the sphere
............kN/C
4. 62.5 cm from the center of the sphere
...........kN/C