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Athin disk of radius d = 10 cm, having a total charge ql : 2 x 108 C distributed uniformly along the entire perimeter, is arranged perpendicular to the x axis and has the center on the axis itself, as shown in the figure. A point charge q2 = 4 x 108 C is located along the x-axis at a distance 2d from the center of the disk. Q1 (Q Show Transcribed Text 1) Calculate the potential at the point P halfway between the center of the disk and C12. 2) Calculate the electrostatic field (module, direction and direction) at point P. 3) If the charge q2 were left free to move under the action of the generated electrostatic field from the disk, what kinetic energy would it acquire upon reaching infinite distance from the disk? [N B: note that this last question is no longer about point P.]