. 2. Point charges q1=+8.0µC, qz-2.0µC and qy=+3.0µC are placed at the vertices of a right- angle triangle in vacuum. (a) Calculate the electric field at the midpoint P on the diagonal and express it in vector notations. (b) Calculate the electric potential at point P. P. 3.0сm q2 4.0cm
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