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Homework Statement
Two charges of opposite sign and equal magnitude Q = 0.82 C are held 2.0 m apart as shown in the figure.
Picture: http://gyazo.com/a78a049ce0a24ad464fd7bb99dffd665
A) Determine the magnitude of the electric field at the point P.
B) Determine the electric potential at the point P.
C) How much work is required to move a 1.0 C charge from infinity to the point P?
Homework Equations
EPE=kq/r
The Attempt at a Solution
I am really stuck...I have no clue where to start