Recent content by cranincu

Homework Statement http://img16.imageshack.us/img16/6503/questiono.jpg Not sure which equations, pretty sure anything goes for find e fields like Gauss. I'm not even sure of the behavior of the system. Two conducting spheres with a charge on them, the field of each one just be...

oh i get it edit: wait, not really. How can I make theta or phi into into something like r and z in cylindrical?

Homework Statement http://img4.imageshack.us/img4/4218/divergenceandcurl.jpg The Attempt at a Solution Totally confused on what the question's asking. Wouldn't the divergence of say x_hat be the partial of x_hat over x which is just 0? So every answer would just be 0 or something? Same...