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## Homework Statement

Given a sphere with radius R, centered at (0,0,0), it's dipole density given as ##P\left(\vec{r}\right)=\alpha\left(R-r\right)\hat{z}## where r is the distance from the center of the ball.

I'm required to find:

- Bound charge density inside the sphere, bound charge density on the surface of the sphere.
- Electric potential in the entire space.
- Electric field inside the sphere and when r=R.

## Homework Equations

## The Attempt at a Solution

I do not know where and how to start, I thought about converting to spherical coordinates because there is no dependency on ##\theta## or ##\phi## but I don't know how that'll help me.

Thanks!