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## Homework Statement

## Homework Equations

gauss law

## The Attempt at a Solution

I got D.

Integral ( E dot da) = q(enc)/ e0

E is constant so iit can come out and the angle between them is zero (cos(0)=1

|E| integral (da)

which gives me

|E| a

where a=4 pi r^2

c *(r/e0) * 4 pi r^2

q(enc)= c*4*pi*r^3

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