The smiling face of the figure consists of three items: 1. a thin rod of charge -3.90 μC that forms a full circle of radius 7.80 cm; 2. a second thin rod of charge 2.60 μC that forms a circular arc of radius 5.20 cm, subtending an angle of 90° about the center of the full circle; 3. an electric dipole with a dipole moment that is perpendicular to a radial line and has magnitude 1.88 x 10-21 C-m. What is the net electric potential at the center?

The smiling face of the figure consists of three items: 1. a thin rod of charge -3.90 μC that forms a full circle of radius 7.80 cm; 2. a second thin rod of charge 2.60 μC that forms a circular arc of radius 5.20 cm, subtending an angle of 90° about the center of the full circle; 3. an electric dipole with a dipole moment that is perpendicular to a radial line and has magnitude 1.88 x 10-21 C-m. What is the net electric potential at the center?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

See similar textbooks

Similar questions

The figure shows the position of two point charges of 2.4 µC and -3.5 µC. Determine the electric field strength at the origin of the coordinates in unit N C:1. [Coulomb's constant, k = 9.0 x 10° N m² C²] y 0.8 m 0.8 m Select one: O 5.968e4 at second quadrant. O 5.968e4 at fourth quadrant. O 4.774e4 at second quadrant. 4.774e4 at fourth quadrant.
The smiling face in the figure below consists of three items: 1. A thin rod of charge -5 μC that forms a full circle of radius 10 cm. 2. A second thin rod of charge 4 μC that forms a circular arc of radius 8 cm. Subtending and angle of 90° about the center of the full circle. 3. An electric dipole with a dipole moment that is perpendicular to a radial line and has magnitude p = 4.3 × 10-21 C.m. Reminder: The electric dipole consists of two charged particles of magnitude but of opposite sign, separated by a distance d. The dipole moment is defined as p = qd. What is the net electric potential at the center? -336x
23. Model the dome of a Van de Graaff generator as a uniformly charged spherical shell of radius 0.250 m bearing a charge of +1.50 μC. If an electron undergoes uniform circular motion around the dome and 0.300 m above the surface of the dome, what is the speed of the electron? (A) 4.63×107 m/s (B) 5.11×107 m/s (C) 5.55×107 m/s (D) 6.04×107 m/s (E) 6.56×107 m/s
9. Three point-like charges are placed at the corners of an equilateral triangle as shown in the figure. Each side of the triangle has a length of 42.0 cm, and the point (A) is located half way between 9₁ and 92 along the side. Find the magnitude of the electric field at point (A). Let q1 -1.20 µC, 92 = -3.50 µC, and q3 = +4.30 μC. N/C ssf60 ss.co = f60 ssf60 ssf60 ssf60 ssf60 ssi?? 91 €60 A 92 sf60 ssf60 ssf60 ssf60 ssf60/s f60 ssf60 55 09jss bojss-155 09588 098 098 09 os oss (9) f60 ssf60 ssf60 ssf60 ssf6 fons 160 ssf60 ssf60 ssf60 ssf60 ssf60
23.5 A small metal sphere, carrying a net charge of 9₁ = -2.80 µC, is held in a stationary position by insulat- ing supports. A second small metal sphere, with a net charge ●● Figure E23.5 92 v = 22.0 m/s -0.800 m- 91 of q₂ = -7.80 μC and mass 92 1.50 g, is projected toward q₁. When the two spheres are 0.800 m apart, q2, is moving toward qı with speed 22.0 m/s (Fig. E23.5). Assume that the two spheres can be treated as point charges. You can ignore the force of gravity. (a) What is the speed of 92 when the spheres are 0.400 m apart? (b) How close does 92 get to 91?
The figure shows an electric dipole. What is the magnitude of the dipole's electric field at point P? Assume that q = 9.85 × 10-6 C, d = 8.45 × 10-6 m, and r = 9.73 cm.
10. Three point-like charges are placed at the corners of an equilateral triangle as shown in the figure. Each side of the triangle has a length of 20.0 cm, and the point (C) is located half way between qı and q3 along the side. Find the magnitude of the electric field at point (C). Let q1 = -1.60 µC, q2 = +2.60 µC, and q3 = +5.20 µC. N/C oof19 00 q3 19.0of19.0of19.oof19 oof19.of of19 0of19 0of19 0of19.oof19 oof of19 0of19 oof19 0
1. A point charge q₁ –5 µC located at (x = 0, y = 0.4 m, z = 0) is moving with speed 9 × 10ª m/s. The charge q₁ is moving in the xy-plane, and its velocity ₁ makes a 45° angle with the y-axis as shown below. Another point charge 92 8 μC is located at (x = 0, y = 0, z = 0.3 m) and is moving with velocity 6.5 × 10-4 m/s in the +z-direction. = x - V₂ 92 Z V₁ 45° 91 y (a) What is the magnetic field produced by 9₁ at the location of 9₂? (b) What is the magnetic force exerted on 92 by 9₁?
The electric dipole in the figure consists of two charges, +Q and -Q, that are a distance, d, apart, where Q = 65.4 nC and d = 39.3 cm. Point A, which lies along the vertical (dotted) line midway between the two dipole charges, is an unknown distance, r, from the +Q charge. SYMBOLIC INPUT. Use the variables from the problem: Q, d, r, and Coulomb's constant, k, as needed. Electric Potential (1 of 2) The electric potential at point A will be zero The electric potential at point B will be zero zero zero This tells you that the electric field is perpendicular to perpendicular to the middle line.. Udipole 11 +Q Potential Energy (2 of 2) Write a symbolic expression for the electric potential energy of the system, then calculate its numeric value. HJ B
Two point charges q = 4.2 nC (negtive) and Q = 4.2 nC (positive) are separated by distance 3.5 mm. What is their electric dipole moment? 1.7 x 10^ -3 Cm (from q to Q) 1.7 x 10^ -3 Cm (from Q to q) 3.7 x 10^ -3 Cm (from Q to q) 3.7 x 10^ -3 Cm (from q to Q)
5. Two parallel, metal plates with separation distance d=2.00 cm carry charges of equal magnitude but opposite sign. Assume the electric field has a magnitude of 2,000 N/C. A charged particle with mass 2.00x10-16 kg and charge 1.00x106 C is projected from the center of the bottom negative plate with an initial speed of 1.00x105 m/s at an angle of 45 degrees above the horizontal. Assume the plates are square with side length 20.0 cm. a. Where does the particle strike? Answer: b. What is the minimum initial speed the particle must have in order to reach the positive plate. Answer:
Two point charges q = 4.2 nC (negtive) and Q = 4.2 nC (positive) are separated by distance 3.5 mm. What is their electric dipole moment? 1.7 x 10^ -3 Cm (from q to Q) 1.7 x 10^ -3 Cm (from Q to q) 3.7 x 10^ -3 Cm (from Q to q) 3.7 x 10^ -3 Cm (from q to Q)