A solid, nonconducting sphere has charge non-uniformly distributed throughout its volume. The charge density p can...

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A solid, nonconducting sphere has charge non-uniformly distributed throughout its volume. The charge density p can...

A solid, nonconducting sphere has charge non-uniformly distributed throughout its volume. The charge density p can be modeled by p(r) = Ar^2 where A=2.5uC/m^5. radius of sphere=4.0cm.

a.) What is the total charge enclosed within the sphere?

b.) Use Gauss' Law to find electric field strength at r=3cm.

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