- #1

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proton mass = 1.67e-27

proton charge = 1.6e-19

Radius = .0083 meters

I thought maybe F = (mv²)/r

((1.67e-27)(4.96e5)²)/.0083

Then E=F/q

But this doesn't seem to be right.

Any help would be appreciated. I have tried it a couple times with no luck. Just need to get in the right direction. Thank you in advance!