Two charges q1=−17C and q2=6C are positioned at different coordinates as shown in the figure. Coordinate of q1 charge is (b, a) and that of q2 charge is (−b, a) . Find the net electric field at the origin in unit vector notation . Assume that a=2m and b=7m . Here C denotes coulombs and m denotes meters.

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Greg drew a diagram to compare two of the fundamental forces. which labels belong in the areas marked x, y and z? gravitational force electromagnetic force x. attractive y repulsive z: infinite range x: infinite range y attractive z. repulsive x. always attractive y: infinite range z: attractive or repulsive x. attractive or repulsive y infinite range z: always attractive