Two 15 cm -diameter disks face each other 20 mm apart they, Ask an Expert

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Two 1.5 cm -diameter disks face each other, 2.0 mm apart. They are charged to 9.0 nC .

Part A: What is the electric field strength between the disks?

Part B: A proton is shot from the negative disk toward the positive disk. What launch speed must the proton have to just barely reach the positive disk?

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Category:- Physics
Reference No.:- M9983839

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