A.) Find the net electric field (magnitude and directionCCWrelative to the x axis) Center of the square is denoted bythex.
B.) If a +2*10^-6 C charge is placed at the centerof thesquare, what will the net force acting on this charge befrom theother four charges that were present in part A? (magnitude anddirection CCW to the x axis)

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Four point charges have the same magnitude of 2.9 x 10-12 C and arefixed to the corners of a square that is 4.5 cm on a side. Three ofthe charges are positive and one is negative. Determine themagnitude of the net electric field that exists at the center ofthe square.

Hint:Each charge creates an electric field at the center of thesquare, according to equation 18.3. Draw four arrows at the centerof the square; one for the electric field created by each of thefour charges. Two of these electric field vectors will cancel eachother out. The remaining two are in the same direction and have thesame magnitude.

calculate the magnitude of the electric field e = (-11i^+14j^) n/c.

Part A: Calculate the magnitude of the electric field E = (-11i^+14j^)N/C. I got 18

Part B: Calculate the direction (relative to the +x-axis ) of the electric field E = (-11i^+14j^)N/C. I got 130 degree counter clockwise

Part C: Find the magnitude of the force that the -8.0 nC charge at the origin exerts on the -2.5 nC point charge is placed at the point P " in Fig. 21.19." |F|=? N

Part D Find the direction of the force that the -8.0 nC charge at the origin exerts on the -2.5 NC point charge is placed at the point P " in Fig. 21.19." ? =? (below the +x-axis)
Part E Find the magnitude of the force that the -2.5 nC charge exerts on the -8.0 nC charge. F|=? N

Part F Find the direction of the force that the -2.5 nC charge exerts on the -8.0 nC charge. ? = ? (counterclockwise from the +x-axis)

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