\fThe magnitude of the electrostatic force between two identical ions that are separated by a distance of 6.40 x '101'3 m is 324.5 x 10'? N. {a} What is the charge of each ion? [b] How many electrons are "missing\" from each ion {thus giving the ion its charge imbalance}? {a} Number Units v {bl Number Units v In the figure four particles form a square with edge length a = 4.80 x 10-2 m. The charges are q1 = q4 = 2.22 x 10-15 C and q2 = 93 = q. (a) What is q if the net electrostatic force on particle 1 is zero? (b) Is there any value of q that makes the net electrostatic force on each of the four particles zero? 12 4 a) Number Units b)In the figure particle 1 of charge -5.80q and particle 2 of charge +2.80q are held at separation L = 4.30 m on an x axis. If particle 3 of unknown charge q3 is to be located such that the net electrostatic force on it from particles 1 and 2 is zero, what must be the (a) x and (b) y coordinates of particle 3? (a) Number Units (b) Number UnitsA charged cloud system produces an electric field in the air near Earth's surface. A particle of charge -2.1 x 109 C is acted on by a downward electrostatic force of 4.1 x 10" N when placed in this field. (a) What is the magnitude of the electric field? (b) What is the magnitude of the electrostatic force on a proton placed in this field? (c) What is the gravitational force on the proton? (d) What is the ratio of the electrostatic force to the gravitational force in this case? (a) Number Units (b) Number Units (c) Number Units (d) Number UnitsIn the gure a nonconducting rod of length L = 8.19 cm has charge q = 4.55 fC uniformlydistributed along its length. [a] What is the linear charge density of the rod? What are the lb} magnitude and [c] direction (positive angle relative to the positive direction of thex axis} of the electric eld produced at point P, at distance a = 12.7 cm from the rod? What is the electric eld magnitude produced at distance a = 30 m by {d} the rod and lei a particle of charge q = 4.55 K: that replaces the rod? {a} Number Units v lb] Number Units v {c} Number Units V {d} Number Units v Two particles are fixed to an x axis: particle 1 of charge q1 = 2.93 x 10- C at x = 22.0 cm and particle 2 of charge q2 = -5.76q1 at x = 71.0 cm. At what coordinate on the x axis is the electric field produced by the particles equal to zero? Number Units