College Physics (10th Edition)
10th Edition
ISBN: 9780321902788
Author: Hugh D. Young, Philip W. Adams, Raymond Joseph Chastain
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 18, Problem 7P
Three equal 1.20 µC point charges are placed at the corners of an equilateral triangle whose sides are 0.500 m long. What is the potential energy of the system? (Take as zero the potential energy of the three charges when they are infinitely far apart.)
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionChapter 18 Solutions
College Physics (10th Edition)
Ch. 18 - Why must electric field lines be perpendicular to...Ch. 18 - Which way do electric field lines point, from high...Ch. 18 - If the electric field is zero throughout a certain...Ch. 18 - The potential (relative to a point at infinity)...Ch. 18 - A capacitor is charged by being connected to a...Ch. 18 - A capacitor is charged by being connected to a...Ch. 18 - Two parallel-plate capacitors, identical except...Ch. 18 - The two plates of a capacitor are given charges Q,...Ch. 18 - Liquid dielectrics having polar molecules (such as...Ch. 18 - To store the maximum amount of energy in a...
Ch. 18 - You have two capacitors and want to connect them...Ch. 18 - You have three capacitors, not necessarily equal,...Ch. 18 - A surface will be an equipotential surface if...Ch. 18 - In Figure 18.31, point P is equidistant from both...Ch. 18 - For the capacitor network shown in Figure 18.32, a...Ch. 18 - Two charges are placed on the x axis. A charge of...Ch. 18 - Two point charges with charge +q are initially...Ch. 18 - If the potential (relative to infinity) due to a...Ch. 18 - If the electric potential energy of two point...Ch. 18 - An electron is released between the plates of a...Ch. 18 - The plates of a parallel-plate capacitor are...Ch. 18 - When a certain capacitor carries charge of...Ch. 18 - Two large metal plates carry equal and opposite...Ch. 18 - The electric potential (relative to infinity) due...Ch. 18 - A charge of 28.0 nC is placed in a uniform...Ch. 18 - Two very large charged parallel metal plates are...Ch. 18 - How far from a 7.20 C point charge must a +2.30 C...Ch. 18 - A point charge q1 = +2 40 C is held stationary at...Ch. 18 - Two stationary point charges of +3.00 nC and +2.00...Ch. 18 - A set of point charges is held in place at the...Ch. 18 - Three equal 1.20 C point charges are placed at the...Ch. 18 - When two point charges are a distance R apart,...Ch. 18 - Two large metal parallel plates carry opposite...Ch. 18 - A potential difference of 4.75 kV is established...Ch. 18 - BIO Axons. Neurons are the basic units of the...Ch. 18 - BIO Electrical sensitivity of sharks. Certain...Ch. 18 - A particle with a charge of +4 20 nC is in a...Ch. 18 - Two very large metal parallel plates are 20.0 cm...Ch. 18 - A uniform electric field has magnitude E and is...Ch. 18 - A point charge is sitting at the origin. The...Ch. 18 - An electron is to be accelerated from 3.00 108...Ch. 18 - A small particle has charge 5.00 C and mass 2.00 ...Ch. 18 - Two point charges q1 = +2.40 nC and q2 = 6.50 nC...Ch. 18 - A point charge Q = +4.00 C is held fixed al the...Ch. 18 - Two protons are released from rest when they are...Ch. 18 - x-ray tube. An x-ray tube is an evacuated glass...Ch. 18 - A parallel-plate capacitor having plates 6.0 cm...Ch. 18 - Two very large metal parallel plates that are 25...Ch. 18 - (a) A +5.00 C charge is located on a sheet of...Ch. 18 - A +1.50 C point charge is sitting at the origin....Ch. 18 - Dipole. A dipole is located on a sheet of paper....Ch. 18 - (a) You find that if you place charges of 1.25 C...Ch. 18 - The plates of a parallel-plate capacitor are 3.28...Ch. 18 - The plates of a parallel-plate capacitor are 2.50...Ch. 18 - A parallel-plate air capacitor has a capacitance...Ch. 18 - Suppose you were to design a 1 F parallel-plate...Ch. 18 - A 10.0 F parallel-plate capacitor with circular...Ch. 18 - A 10.0 F parallel-plate capacitor is connected to...Ch. 18 - You make a capacitor by cutting the...Ch. 18 - A 5.00 pF parallel-plate air-filled capacitor with...Ch. 18 - A disk-shaped parallel-plate capacitor has a...Ch. 18 - A parallel-plate capacitor C is charged up to a...Ch. 18 - For the system of capacitors shown in Figure...Ch. 18 - Electric eels. Electric eels and electric fish...Ch. 18 - In Figure 18.39, C1 = 6.00 f, C2 = 3.00 F. and C3...Ch. 18 - You are working on an electronics pro.ect that...Ch. 18 - In Figure 18 39, C1 = 3.00 F anri Vab = 120 V. The...Ch. 18 - A 4.00 F and a 6.00 F capacitor are wired in...Ch. 18 - In the circuit shown in Figure 18.40, the...Ch. 18 - In Figure 18.41 each capacitor has C = 4.00 f and...Ch. 18 - Figure 18.42 shows a system of four capacitors...Ch. 18 - For the system of capacitors shown in Figure...Ch. 18 - How much charge does a 12 V battery have to supply...Ch. 18 - A 5.80 F parallel-plate air capacitor has a plate...Ch. 18 - (a) How much charge does a battery have to supply...Ch. 18 - In the text, it was shown that the energy stored...Ch. 18 - A parallel-plate vacuum capacitor has 8.38 J of...Ch. 18 - A 5.00 nF parallel-plate capacitor contains 25.0 J...Ch. 18 - For the capacitor network shown in Figure 18.44,...Ch. 18 - For the capacitor network shown in Figure 18.45,...Ch. 18 - For the capacitor network shown in Figure 18.46,...Ch. 18 - A parallel-plate air capacitor has a capacitance...Ch. 18 - Cell membranes. Cell membranes (the walled...Ch. 18 - A parallel-plate capacitor is to be constructed by...Ch. 18 - A 12.5 F capacitor is connected to a power supply...Ch. 18 - The paper dielectric in a paper-and-foil capacitor...Ch. 18 - A constant potential difference of 12 V is...Ch. 18 - (a) If a spherical raindrop of radius 0.650 mm...Ch. 18 - At a certain distance from a point charge, the...Ch. 18 - Two oppositely charged identical insulating...Ch. 18 - A positive point charge Q is placed at a position...Ch. 18 - An alpha particle with a kinetic energy of 10.0...Ch. 18 - In the Bohr model of the hydrogen atom, a single...Ch. 18 - A proton and an alpha particle are released from...Ch. 18 - A parallel-plate air capacitor is made from two...Ch. 18 - In the previous problem, suppose the battery...Ch. 18 - A capacitor consists of two parallel plates, each...Ch. 18 - Electronic flash units for cameras contain a...Ch. 18 - In Figure 18.49, each capacitance C1 is 6.9 F and...Ch. 18 - Prob. 76PPCh. 18 - A helium ion (He++) that comes within about 10 fm...Ch. 18 - The maximum voltage at the center of a typical...Ch. 18 - How many moles of Na+ must move per unit area of...Ch. 18 - Prob. 80PPCh. 18 - Suppose that the change in Vm was caused by the...Ch. 18 - What is the minimum amount of work that must be...
Additional Science Textbook Solutions
Find more solutions based on key concepts
the time that is taken by reaction to reach 0° C .
Glencoe Physical Science 2012 Student Edition (Glencoe Science) (McGraw-Hill Education)
Fill in each blank with the most reasonable metric unit (km, m, cm, or mm).
28. A newborn baby is usually about...
Applied Physics (11th Edition)
3. What is free-fall, and why does it make you weightless? Briefly describe why astronauts are weightless in th...
The Cosmic Perspective
24. An organ pipe is made to play a low note at 27.5 Hz, the same as the lowest note on a piano. Assuming a sou...
College Physics: A Strategic Approach (4th Edition)
6. A construction worker with a weight of 850 N stands on a roof that is sloped at 20°. What is the magnitude...
Physics for Scientists and Engineers: A Strategic Approach with Modern Physics (4th Edition)
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- Two particles, with charges of 20.0 nC and 20.0 nC, are placed at the points with coordinates (0, 4.00 cm) and (0, 4.00 cm) as shown in Figure P20.19. A particle with charge 10.0 nC is located at the origin. (a) Find the electric potential energy of the configuration of the three fixed charges. (b) A fourth particle, with a mass of 2.00 1013 kg and a charge of 40.0 nC, is released from rest at the point (3.00 cm, 0). Find its speed after it has moved freely to a very large distance away.arrow_forwardA proton is released from rest at the origin in a uniform electric field in the positive x direction with magnitude 850 N/C. What is the change in the electric potential energy of the protonfield system when the proton travels to x = 2.50 m? (a) 3.40 1016 J (b) 3.40 1016 J (c) 2.50 1016 J (d) 2.50 1016 J (e) 1.60 1019 Jarrow_forwardFour particles are positioned on the rim of a circle. The charges on the particles are +0.500 C, +1.50 C, 1.00 C, and 0.500 C. If the electric potential at the center of the circle due to the +0.500 C charge alone is 4.50 104 V, what is the total electric potential at the center due to the four charges? (a) 18.0 104 V (b) 4.50 104 V (c) 0 (d) 4.50 104 V (e) 9.00 104 Varrow_forward
- Two parallel plates 10 cm on a side are given equal and opposite charges of magnitude 5.0109 C. The plates are 1.5 mm apart. What is the potential difference between the plates?arrow_forwardFour charged particles are at rest at the corners of a square (Fig. P26.14). The net charges are q1 = q2 = 2.65 C and q3 = q4 = 5.15 C. The distance between particle 1 and particle 3 is r13 = 1.75 cm. a. What is the electric potential energy of the four-particle system? b. If the particles are released from rest, what will happen to the system? In particular, what will happen to the systems kinetic energy as their separations become infinite? FIGURE P26.14 Problems 14, 15, and 16.arrow_forwardA point charge of q=50108 C is placed at the center of an uncharged spherical conducting shell of inner radius 6.0 cm and outer radius 9.0 cm. Find the electric potential at (a) r = 4,0cm, (b) r = 8.0 cm, (c) r — 12.0 cm.arrow_forward
- A proton is located at the origin, and a second proton is located on the x-axis at x = 6.00 fm (1 fm = 10-15 m). (a) Calculate the electric potential energy associated with this configuration. (b) An alpha particle (charge = 2e, mass = 6.64 1027 kg) is now placed at (x, y) = (3.00, 3.00) fm. Calculate the electric potential energy associated with this configuration. (c) Starting with the three-particle system, find the change in electric potential energy if the alpha particle is allowed to escape to infinity while the two protons remain fixed in place. (Throughout, neglect any radiation effects.) (d) Use conservation of energy to calculate the speed of the alpha particle at infinity. (e) If the two protons are released from rest and the alpha panicle remains fixed, calculate the speed of the protons at infinity.arrow_forwardTwo particles each with charge +2.00 C are located on the x axis. One is at x = 1.00 m, and the other is at x = 1.00 m. (a) Determine the electric potential on the y axis at y = 0.500 m. (b) Calculate the change in electric potential energy of the system as a third charged particle of 3.00 C is brought from infinitely far away to a position on the y axis at y = 0.500 m.arrow_forwardA proton is released from rest at the origin in a uniform electric field in the positive x direction with magnitude 850 N/C. What is the change in the electric potential energy of the proton-field system when the proton travels to x = 2.50 m? (a) 3.40 X I0-l6J (b) -3.40 X 10-16J (c) 2.50 X 10-6J (d) -2.50 X 10-6J (e) -1.60 X 10-19Jarrow_forward
- Two very large metal plates are placed 2.0 cm apart, with a potential difference of 12 V between them. Consider one plate to be at 12 V, and the other at 0 V. (a) Sketch the equipotential surfaces for 0, 4, 8, and 12 V. (b) Next sketch in some electric field lines, and confirm that they are perpendicular to the equipotential lines.arrow_forwardThe three charged particles in Figure P20.11 are at the vertices of an isosceles triangle (where d = 2.00 cm). Taking q = 7.00 C, calculate the electric potential at point A, the midpoint of the base. Figure P20.11arrow_forwardFour charged particles are at rest at the corners of a square (Fig. P26.14). The net charges are q1 = q2 = +2.65 C and q3 = q4 = 5.15 C. The distance between particle 1 and particle 3 is r13 = 1.75 cm. a. What is the electric potential energy of the four-particle system? b. If the particles are released from rest, what will happen to the system? In particular, what will happen to the systems kinetic energy?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Physics for Scientists and Engineers: Foundations...PhysicsISBN:9781133939146Author:Katz, Debora M.Publisher:Cengage LearningPrinciples of Physics: A Calculus-Based TextPhysicsISBN:9781133104261Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningCollege PhysicsPhysicsISBN:9781305952300Author:Raymond A. Serway, Chris VuillePublisher:Cengage Learning
- College PhysicsPhysicsISBN:9781285737027Author:Raymond A. Serway, Chris VuillePublisher:Cengage LearningGlencoe Physics: Principles and Problems, Student...PhysicsISBN:9780078807213Author:Paul W. ZitzewitzPublisher:Glencoe/McGraw-Hill
Physics for Scientists and Engineers: Foundations...
Physics
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Cengage Learning
Principles of Physics: A Calculus-Based Text
Physics
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
College Physics
Physics
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Cengage Learning
College Physics
Physics
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Cengage Learning
Glencoe Physics: Principles and Problems, Student...
Physics
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Glencoe/McGraw-Hill
Electric Fields: Crash Course Physics #26; Author: CrashCourse;https://www.youtube.com/watch?v=mdulzEfQXDE;License: Standard YouTube License, CC-BY