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Homework Statement
How can I find the nuetral point between two charges or more ? Example:[/B]
(-Q3)................(0.8m)........................(Q2).......(0.3m)......(P).........(0.3m)...........(Q1)
Q1=2nC ,,, Q2=3nC,,, Q3=-4C ,,,
q: Determine in which direction must be Q3 moved to make P neutral? Calculate the distance which P will be moved.
Homework Equations
E=K q / r^2
The Attempt at a Solution
what i did i found E of q1 which is 200N/C ,, and q2 = 300N/C
And then stuck....