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Compute each part of given question:

Question: Two 2.00cm diameter insulating spheres have a distance of 5.50cm between their surfaces. The spheres each have a uniform volume charge distribution with one sphere charged to +67.6nC and the other charged to -85.3nC.

Part I: What is the charge density of the +67.6nC sphere?

Part II: What is the electric field strength at the midpoint between the two spheres?

Explain your answers please for best answer!

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