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Two stationary positive point charges, charge 1 of magnitude 3.15 nC and charge 2 of magnitude 1.70 nC, are separated by a distance of 52.0 cm. An electron is released from rest at the point midway...

A 14.0 {\rm nC} charge is held stationary at x = 0{\rm cm} and a -1.4 {\rm nC} charge is held stationary at 6 {\rm cm}.
At what point or points on the x-axis is the total electric potential due to...

Two 2.20 cm-diameter disks are placed parallel to each other a distance 1.80 mm apart to form a capacitor. The electric field between the disks is 5.20×105 V/m. (Assume the field between the disks is...

Two metal electrodes of size 2.0 cm \times 2.0 cm are spaced 1.0 mm apart and connected by wires to the terminals of a 9.0 {\rm V} battery.

A- What is the charge on each electrode?
Express your...