1. A point charge +Q is located at the origin, and a point charge -Q is located at (x,y) = (0,L).
(a) Find the electric field at point P, which is a distance L away from both +Q and -Q, as shown in the diagram. Express your answer in unit vector notation using the coordinate system given.
(b) A point charge -2Q is placed at point P. Find the Coulomb force on the charge -2Q due to the other two charges. Express your answer in unit vector notation using the coordinate system given.
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A point charge +2Q is at the origin and a point charge −Q is located along...
A point charge +2Q is at the origin and a point charge
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d as in the figure below. Find a symbolic expression for
the net force on a third point charge +Q located along the
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net
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