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In: Physics

A hollow metal sphere has 6 cm and 9 cm inner and outer radii, respectively. The...

A hollow metal sphere has 6 cm and 9 cm inner and outer radii, respectively. The surface charge density on the inside surface is ?200nC/m2. The surface charge density on the exterior surface is +200nC/m2

PART A

What is the strength of the electric field at point 4 cm from the center?

Express your answer to three significant figures and include the appropriate units.

PART E

What is the strength of the electric field at point 12 cm from the center?

Express your answer to three significant figures and include the appropriate units.

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