Flux though Spherical Surface

[physics12]

Homework Statement

What is the flux of r(vector) though a spherical surface of radius a?

Homework Equations

to solve this use spherical coordinates.

The Attempt at a Solution

∫a . ds

 

[jedishrfu]

Start with the del operator in spherical coordinates and show us some work.

http://en.wikipedia.org/wiki/Del_in_cylindrical_and_spherical_coordinates