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## Homework Statement

The y-axis carries a uniform linear charge density of -2 nC/m, and there is a 8 nC point charge

at the point (3 cm, 0 cm, 0 cm) as well as a -4 nC point charge at the point (-8 cm, 0 cm, 0 cm).

What is the electric flux through a closed spherical surface of radius 4 cm centered at the origin?

## Homework Equations

I know that flux is 4πkQ

_{in}or Q

_{in}/ε

_{0}, i dont understand where the linear charge density comes in. I know that the 8nC charge would be inside the sphere.

## The Attempt at a Solution

I tried adding the linear charge density and the 8nC charge and putting it through that formula but i dont understand how the -4nC charge affects the flux, or how to factor it in.

Any help would be greatly appreciated

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