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Noreturn
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Homework Statement
A proton is at the origin and an ion is at x1 = 6 nm
If the electric field is zero at x2 = -3 nm , what is the charge on the ion?
Homework Equations
for ion
The Attempt at a Solution
https://imgur.com/ryyuQBq
I just have used all my attempts besides one. So I believe I keep getting the right answer just not in terms of e. Cause I keep getting 3.6x10^-19 which when you divide by 1.602 I get the same answer of -2e.
Can anyone confirm this?
Now that I redid the math Looks like I made a input error the actual answer is -9e ?
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