A thin spherical shell made of plastic carries a uniformly distributed negative charge-7 x 10-10 coulombs (indicated as-Q, in the diagram). Two large thin disks made of glass carry uniformly distributed positive and negative charges 1.3x 105 coulombs and -1.3x 105 coulombs (indicated as +Q₂ and-Q₂ in the figure). The radius R, of the plastic spherical shell is 8 mm, and the radius R₂ of the glass disks is 4 meters. The distance d from the center of the spherical shell to the positive disk is 18 mm. Part 1 Save for Later Part 2 9₁ R₁ R₂ (a) Find the potential difference V₁ V₂. Point 1 is at the center of the plastic sphere, and point 2 is just outside the sphere. V₁ - V₂ = Save for +Q₂ 6 R₂ (not to scale) Attempts: 0 of 10 used Submit Answer (b) Find the potential difference V₂ - V₁. Point 2 is just below the sphere, and point 3 is right beside the positive glass disk. V₂ - V₁ = V Attempts: 0 of 10 used Submit Answer

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