Two 1.5-cm-diameter disks face each other, 1.5 mm apart. They are charged to ± 10 nC .     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? Express your answer in meters per second.     I thought the anwser was 1.1*106  but this was incorrect

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.