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Problem 2 A spherical drop of water carrying a charge of 29 pC has a potential of 660 V at its surface (with V 0 at infinity). (a) What is the radius of the drop (b) If two such drops of the same charge and radius combine to form a single spherical drop, what is the potential at the surface of the new drop?

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Answer #1

29 P 921 x 1 c Radius of DA.p 2 R. Radiu 58x1-12 с. on mass 3 R- Ri R2 3 R ㄧ 冫2 [o.ooo395): O-oo049 8 m

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