39 SSM In Fig. 21-38, particle 1 of charge +4e is above a floor by distance d₁ = 2.00 mm and particle 2 of charge +6e is on the floor, at distance d₂ = 6.00 mm horizontally from particle 1. What is the x component of the electrostatic force on particle 2 due to particle 1? d₁ 1 20 -d₂- Figure 21-38 Problem 39.

39 SSM In Fig. 21-38, particle 1 of charge +4e is above a floor by distance d₁ = 2.00 mm and particle 2 of charge +6e is on the floor, at distance d₂ = 6.00 mm horizontally from particle 1. What is the x component of the electrostatic force on particle 2 due to particle 1? d₁ 1 20 -d₂- Figure 21-38 Problem 39.

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter24: Electric Fields

Section: Chapter Questions

Problem 34PQ: aA plastic rod of length = 24.0 cm is uniformly charged with a total charge of +12.0 C. The rod is...

See similar textbooks

Similar questions

Why is the following situation impossible? A solid copper sphere of radius 15.0 cm is in electrostatic equilibrium and carries a charge of 40.0 nC. Figure P24.30 shows the magnitude of the electric field as a function of radial position r measured from the center of the sphere. Figure P24.30
aA plastic rod of length = 24.0 cm is uniformly charged with a total charge of +12.0 C. The rod is formed into a semicircle with its center at the origin of the xy plane (Fig. P24.34). What are the magnitude and direction of the electric field at the origin? Figure P24.34
62 SSM In Fig. 21-44, what are the (a) magnitude and (b) direction of the net electrostatic force on particle 4 due to the other three particles? All four particles are fixed in the xy plane, and q, -3.20 x 10-19 C, q2 = +3.20 x 10-19 C, q3 = +6.40 x 10-19 C, q4 = +3.20 x 10-19 C, 6, = 35.0°, d, = 3.00 cm, and d, = d; = 2.00 cm. %3D %3D %3D de 14 d3
*7 In Fig. 21-23, three charged particles lie on an x axis. Particles 1 and 2 are fixed in place. Particle 3 is free to move, but the net elec- Figure 21-23 Problems 7 and 40. trostatic force on it from particles 1 and 2 happens to be zero. If L23 = L12, what is the ratio ql92? -L12 L-
..23 O In Fig. 21-32, particles 1 and 2 of charge q = q2 = +3.20 x 10-19C are on a y axis at distance d = 17.0 cm from the origin. Particle 3 of charge 93 = +6.40 x 10-19 Cis moved gradu- ally along the x axis from x = 0 to x = +5.0 m. At what values of x will the magnitude of the electrostatic force on the third particle from the other two particles be (a) minimum and (b) maximum? What are the (c) minimum and (d) maximum magnitudes? Figure 21-32 Problem 23. |----
***21 SSM Electric quadrupole. Fig- ure 22-46 shows a generic electric quadrupole. It consists of two dipoles +) with dipole moments that are equal in +4 magnitude but opposite in direction. b-b- +4 Show that the value of E on the axis of the quadrupole for a point Pa dis- tance z from its center (assume z> d) is given by Figure 22-46 Problem 21. 30 4Tegz in which Q (= 2qd?) is known as the quadrupole moment of the charge distribution.
39 SSM In Fig. 21-38, particle 1 of charge +4e is above a floor by dis- tance di = 2.00 mm and particle 2 of charge +6e is on the floor, at dis- tance dz = 6.00 mm horizontally from particle 1. What is the x compo- di Figure 21-38 Problem 39. ticle 2 due to particle 1?
*39 SSM In Fig. 23-49, a small, nonconducting ball of mass m = 1.0 mg and charge q = 2.0 x 10-8C (distributed uniformly through its vol- ume) hangs from an insulating thread that makes an angle 0 = 30° with a vertical, uniformly charged nonconducting sheet (shown in cross sec- tion). Considering the gravitational force on the ball and assuming the sheet extends far vertically and into and out of the page, calculate the surface charge density o of the sheet. m.
18 In Fig. 21-29a, three positively charged particles are fixed on an x BC (a) axis. Particles B and C are so close to each other that they can be con- sidered to be at the same distance B. A from particle A. The net force on particle A due to particles B and C is 2.014 x 10-23 N in the negative direction of the x axis. In Fig. 21- 29b, particle B has been moved to the opposite side of A but is still at the same distance from it. The net force on A is now 2.877 x 10-24 N in the negative direction of the x axis. What is the ratio Id9n? (b) Figure 21-29 Problem 18.
42) Three identical conducting spheres are fixed FIGURE P23.41 along a single line. The middle sphere is equidistant from the other two so that the center-to-center dis- tance between the middle sphere and either of the other two is 0.125 m. Initially, only the middle sphere is charged, with Imiddle = +35.6 nC. The middle sphere is later connected by a conducting wire to the sphere on the left. The wire is removed and then used to connect the middle sphere to the sphere on the right. The wire is again removed. a. C What is the charge on each sphere?- b. C Which sphere experiences the greatest electrostatic force? c. N What is the magnitude of that force?
placed in a uniform electric field E of magnitude 20 N/C. Figure 22-62 gives a the potential energy U of the dipole versus the angle e between E and the dipole moment p. The vertical axis scale is set by U, - 100 x 10-28 J. What U, is the magnitude of p? -U, Finure 22-62 Problem 58 (f s-01)A
25. A continuous line of charge lies along the x axis, extend- ing from x = + x, to positive infinity. The line carries a uniform linear charge density Ap. What are the magni- tude and direction of the electric field at the origin? 26. A line of charge starts at x = +xg and extends to posi- tive infinity. If the linear charge density is A = Ap xa /x, determine the electric field at the origin. 27. A uniformly charged ring of radius 10.0 cm has a total charge of 75.0 µC. Find the electric field on the axis of the ring at (a) 1.00 cm, (b) 5.00 cm, (c) 30.0 cm, and (d) 100 cm from the center of the ring. 28. Show that the maximum field strength Emax along the axis of a uniformly charged ring occurs at x = a/V2 (sce Fig. 23.17) and has the value Q/(6v3me,a*). 29. A uniformly charged disk of radius 35.0 cm carries a charge density of 7.90 x 10- C/m?. Calculate the electric field on the axis of the disk at (a) 5.00 cm, (b) 10.0 cm, (c) 50.0 cm, and (d) 200 cm from the cen- •0 Figure P23.33…