Question
Two 2.1 cm -diameter disks face each other, 1.5 mm apart. They are charged to ±13nC....
Two 2.1 cm -diameter disks face each other, 1.5 mm apart. They are charged to ±13nC.
What is the electric field strength between the disks?
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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