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The electric potential in a region of space is V = (165x2 - 200y2) V, where x and y are in meters. What are the strength and the direction of the
The electric potential in a region of space is V = (165x2 - 200y2) V, where x and y are in meters. What are the strength and the direction of the electric field at (x,y) = (2.0 m, 1.7 m)? (Give the direction as an angle counterclockwise from the positive x-axis.)