Find the work done by the electric field when a charge of q2=2.4 µC is displaced from a distance of X,=70cm to a distance of X,=110cm on the axis of the disk of radius R=50cm with a total charge of q1-8µC uniformly distributed on its surface. w = 78,42.10 -3 w = 48,34.10-31 w = 69,12.10 -3J W = 93,53.10-3 a) b) d)
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