E = 200 V
(A) What is the magnitude of the electric field at the dot in the figure? Express your answer using two significant figures.
E = _________V/m
(B) What is the direction of the electric field at the dot in the figure? Choose best answer.
(a) the negative x-axis.
(b) the positive x-axis.
(c) 45 below -x-axis
(d) 45 below +x-axis
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