College Physics: A Strategic Approach (3rd Edition)
3rd Edition
ISBN: 9780321879721
Author: Randall D. Knight (Professor Emeritus), Brian Jones, Stuart Field
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 21, Problem 11P
The electric potential at a point that is halfway between two identical charged particles is 300 V. What is the potential at a point that is 25% of the way from one particle to the other?
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Chapter 21 Solutions
College Physics: A Strategic Approach (3rd Edition)
Ch. 21 - By moving a 10 nC charge from point A to point B,...Ch. 21 - Charge q is fired through a small hole in the...Ch. 21 - Why is the potential energy of two opposite...Ch. 21 - An electron (q = e) completes half of a circular...Ch. 21 - An electron moves along the trajectory from i to f...Ch. 21 - The graph in Figure Q21.61Q shows the electric...Ch. 21 - As shown in Figure Q21.7, two protons are launched...Ch. 21 - Each part of Figure Q21.8 shows one or more point...Ch. 21 - Figure Q21.9 shows two points inside a capacitor....Ch. 21 - A capacitor with plates separated by distanced is...
Ch. 21 - Rank in order, from most positive to most...Ch. 21 - Figure Q21.12 shows two points near a positive...Ch. 21 - A. Suppose that E = 0, throughout some region of...Ch. 21 - Rank in order, from largest to smallest, the...Ch. 21 - Figure Q21.16 shows an electric field diagram....Ch. 21 - Figure Q21.17 shows a negatively charged...Ch. 21 - Rank in order, from largest to smallest, the...Ch. 21 - A parallel-plate capacitor with plate separation d...Ch. 21 - A proton is launched from point 1 in Figure Q21...Ch. 21 - A 1.0 nC positive point charge is located at point...Ch. 21 - A 100 V battery is connected across the plates of...Ch. 21 - The electric potential is 300 V at x = 0 cm, is...Ch. 21 - What is the potential at point c? A. 400 v B. 350...Ch. 21 - At which point, a, b, or c, is the magnitude of...Ch. 21 - What is the approximate magnitude of the electric...Ch. 21 - The direction of the electric field at point b is...Ch. 21 - A +10 nC charge is moved from point c to point a....Ch. 21 - A bug zapper consists of two metal plates...Ch. 21 - An atom of helium and one of argon are singly...Ch. 21 - The dipole moment of the heart is shown at a...Ch. 21 - Moving a charge from point A, where the potential...Ch. 21 - The graph in Figure P21.2 shows the electric...Ch. 21 - It takes 3.0 J of work to move a 15 nC charge from...Ch. 21 - A 20 nC charge is moved from a point where V = 150...Ch. 21 - At one point in space, the electric potential...Ch. 21 - An electron has been accelerated from rest through...Ch. 21 - A proton has been accelerated from rest through a...Ch. 21 - What potential difference is needed to accelerate...Ch. 21 - An electron with an initial speed of 500,000 m/s...Ch. 21 - A proton with an initial speed of 800,000 m/s is...Ch. 21 - The electric potential at a point that is halfway...Ch. 21 - A 2.0 cm 2.0 cm parallel-plate capacitor has a...Ch. 21 - Two 2.00 cm 2.00 cm plates that form a...Ch. 21 - A. In Figure P21.14, which capacitor plate, left...Ch. 21 - A +25 nC charge is at the origin. How much farther...Ch. 21 - A. What is the electric potential at points A, B,...Ch. 21 - A 1.0-cm-diameter sphere is charged to a potential...Ch. 21 - What is the electric potential at the point...Ch. 21 - a. What is the potential difference between the...Ch. 21 - A. In Figure P21.20, which point, A or B, has a...Ch. 21 - In Figure P21.21, the electric potential at point...Ch. 21 - What is the potential difference between xi = 10...Ch. 21 - What are the magnitude and direction of the...Ch. 21 - What are the magnitude and direction of the...Ch. 21 - Two 2.0 cm 2.0 cm square aluminum electrodes,...Ch. 21 - An uncharged capacitor is connected to the...Ch. 21 - You need to construct a 100 pF capacitor for a...Ch. 21 - A switch that connects a battery to a 10 F...Ch. 21 - What is the voltage of a battery that will charge...Ch. 21 - Two electrodes connected to a 9.0 V battery are...Ch. 21 - Initially, the switch in Figure P21 .33 is open...Ch. 21 - A 1.2 nF parallel-plate capacitor has an air gap...Ch. 21 - A science-fair radio uses a homemade capacitor...Ch. 21 - A 25 pF parallel-plate capacitor with an air gap...Ch. 21 - Two 2.0-cm-diameter electrodes with a 0.1...Ch. 21 - A parallel-plate capacitor is connected to a...Ch. 21 - A parallel-plate capacitor is charged by a 12.0 V...Ch. 21 - To what potential should you charge a 1.0 F...Ch. 21 - A pair of 10 F capacitors in a high-power laser...Ch. 21 - Capacitor 2 has half the capacitance and twice the...Ch. 21 - Two uncharged metal spheres, spaced 15.0 cm apart,...Ch. 21 - 50 pJ of energy is stored in a 2.0 cm 2.0 cm 2.0...Ch. 21 - A 2.0-cm-diameter parallel-plate capacitor with a...Ch. 21 - What is the change in electric potential energy of...Ch. 21 - What is the potential difference V34 in Figure...Ch. 21 - A 50 nC charged particle is in a uniform electric...Ch. 21 - At a distance r from a point charge, the electric...Ch. 21 - The 4000 V equipotential surface is 10.0 cm...Ch. 21 - What is the electric potential energy of the...Ch. 21 - Two point charges 2.0 cm apart have an electric...Ch. 21 - Two positive point charges are 5.0 cm apart. If...Ch. 21 - A +3.0 nC charge is at x = 0 cm and a 1.0 nC...Ch. 21 - A 3.0 nC charge is on the x-axis at x = 9 cm and a...Ch. 21 - A 10.0 nC point charge and a +20.0 nC point charge...Ch. 21 - A 2.0-mm-diameter glass bead is positively...Ch. 21 - In a semiclassical model of the hydrogen atom, the...Ch. 21 - What is the electric potential at the point...Ch. 21 - a. What is the electric potential at point A in...Ch. 21 - A protons speed as it passes point A is 50,000...Ch. 21 - A proton follows the path shown in Figure P21.63....Ch. 21 - Electric outlets have a voltage of approximately...Ch. 21 - Estimate the magnitude of the electric field in a...Ch. 21 - A Na+ion moves from inside a cell, where the...Ch. 21 - Suppose that a molecular ion with charge 10e is...Ch. 21 - The electric field strength is 50,000 V/m inside a...Ch. 21 - A parallel-plate capacitor is charged to 5000 V. A...Ch. 21 - A proton is released from rest at the positive...Ch. 21 - The electric field strength is 20,000 V/m inside a...Ch. 21 - In the early 1900s, Robert Millikan used small...Ch. 21 - Two 2.0-cm-diameter disks spaced 2.0 mm apart form...Ch. 21 - In proton-beam therapy, a high-energy beam of...Ch. 21 - A 2.5-mm-diameter sphere is charged to 4.5 nC. An...Ch. 21 - A proton is fired from far away toward the nucleus...Ch. 21 - Two 10.0-cm-diameter electrodes 0.50 cm apart form...Ch. 21 - Two 10.0-cm-diameter electrodes 0.50 cm apart form...Ch. 21 - Determine the magnitude and direction of the...Ch. 21 - Figure P21.81 shows the electric potential on a...Ch. 21 - A capacitor consists of two 6.0-cm-diameter...Ch. 21 - The dielectric in a capacitor serves two purposes....Ch. 21 - The highest magnetic fields in the world are...Ch. 21 - The flash unit in a camera uses a special circuit...Ch. 21 - A Lightning Strike Storm clouds build up large...Ch. 21 - A Lightning Strike Storm clouds build up large...Ch. 21 - A Lightning Strike Storm clouds build up large...Ch. 21 - A Lightning Strike Storm clouds build up large...Ch. 21 - A Lightning Strike Storm clouds build up large...
Additional Science Textbook Solutions
Find more solutions based on key concepts
40. A 5.0-rn-diameter merry-go-round is initially turning with a
4.0 s period. It slows down and stops in 20 s...
Physics for Scientists and Engineers: A Strategic Approach with Modern Physics (4th Edition)
11.71 You are a summer intern for an architectural firm. An 8.00-m-long uniform steel rod is to be attached to ...
University Physics (14th Edition)
A plank, fixed to a sled at rest in frame S, is of length L0 and makes an angle of 0 with the xaxis. Later, the...
Modern Physics
31. Your forehead can withstand a force of about 6.0 kN before fracturing, while your cheekbone can withstand o...
Physics for Scientists and Engineers: A Strategic Approach, Vol. 1 (Chs 1-21) (4th Edition)
If you look into the bowl of a metal spoon, you see yourself upside down. Flip the spoon so you're looking at t...
Essential University Physics: Volume 2 (3rd Edition)
13.66 The planet Uranus has a radius of 25,360 km and a surface acceleration due to gravity of 9.0 m/s2 at its ...
University Physics with Modern Physics (14th 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
- Four 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_forwardAn electron moving parallel to the x axis has an initial speed of 3.70 106 m/s at the origin. Its speed is reduced to 1.40 105 m/s at the point x = 2.00 cm. (a) Calculate the electric potential difference between the origin and that point. (b) Which point is at the higher potential?arrow_forwardA uniformly charged insulating rod of length 14.0 cm is bent into the shape of a semicircle as shown in Figure P20.29. The rod has a total charge of 7.50 C. Find the electric potential at O, the center of the semicircle. Figure P20.29arrow_forward
- The 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_forwardA uniformly charged filament lies along the x axis between x = a = 1.00 m and x = a + = 3.00 m as shown in Figure P25.66. The total charge on the filament is 1.60 nC. Calculate successive approximations for the electric potential at the origin by modeling the filament as (a) a single charged particle at x = 2.00 m, (b) two 0.800-nC charged particles at x = 1.5 m and x = 2.5 m, and (c) four 0.400-nC charged particles at x = 1.25 m, x = 1.75 m, x = 2.25 m, and x = 2.75 m. (d) Explain how the results compare with the potential given by the exact expression v=klQlln(l+aa)arrow_forwardAt a certain distance from a charged particle, the magnitude of the electric field is 500 V/m and the electric potential is 3.00 kV. (a) What is the distance to the particle? (b) What is the magnitude of the charge?arrow_forward
- A positive point charge q = +2.50 nC is located at x = 1.20 m and a negative charge of 2q = 5.00 nC is located at the origin as in Figure P16.18. (a) Sketch the electric potential versus x for points along the x-axis in the range 1.50 m x 1.50 m. (b) Find a symbolic expression for the potential on the x-axis at an arbitrary point P between the two charges. (c) Find the electric potential at x = 0.600 m. (d) Find the point along the x-axis between the two charges where the electric potential is zero.arrow_forwardFigure P26.80 shows a wire with uniform charge per unit length = 2.25 nC/m comprised of two straight sections of length d = 75.0 cm and a semicircle with radius r = 25.0 cm. What is the electric potential at point P, the center of the semicircular portion of the wire? FIGURE P26.80arrow_forwardA filament running along the x axis from the origin to x = 80.0 cm carries electric charge with uniform density. At the point P with coordinates (x = 80.0 cm, y = 80.0 cm), this filament creates electric potential 100 V. Now we add another filament along the y axis, running from the origin to y = 80.0 cm. carrying the same amount of charge with the same uniform density. At the same point P, is the electric potential created by the pair of filaments (a) greater than 200 V, (b) 200 V, (c) 100 V, (d) between 0 and 200 V, or (e) 0?arrow_forward
- A small spherical pith ball of radius 0.50 cm is painted with a silver paint and then -10 C of charge is placed on it. The charged pith ball is put at the center of a gold spherical shell of inner radius 2.0 cm and outer radius 2.2 cm. (a) Find the electric potential of the gold shell with respect to zero potential at infinity, (b) How much charge should you put on the gold shell if you want to make its potential 100 V?arrow_forwardA filament running along the x axis from the origin to x = 80.0 cm carries electric charge with uniform density. At the point P with coordinates (x = 80.0 cm, y = 80.0 cm), this filament creates electric potential 100 V. Now we add another filament along the y axis, running from the origin to y = 80.0 cm, carrying the same amount of charge with the same uniform density. At the same point P, is the electric potential created by the pair of filaments (a) greater than 200 V, (b) 200 V, (c) 100 V, (d) between 0 and 200 V, or (e) 0?arrow_forwardThe two charges in Figure P16.12 are separated by d = 2.00 cm. Find the electric potential at (a) point A and (b) point B, which is hallway between the charges. Figure P16.12arrow_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 Learning
Principles of Physics: A Calculus-Based TextPhysicsISBN:9781133104261Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
College PhysicsPhysicsISBN:9781938168000Author:Paul Peter Urone, Roger HinrichsPublisher:OpenStax College
College PhysicsPhysicsISBN:9781305952300Author:Raymond A. Serway, Chris VuillePublisher:Cengage Learning
College PhysicsPhysicsISBN:9781285737027Author:Raymond A. Serway, Chris VuillePublisher:Cengage Learning
Physics for Scientists and Engineers, Technology ...PhysicsISBN:9781305116399Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
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:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:OpenStax College
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
Physics for Scientists and Engineers, Technology ...
Physics
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Electric Fields: Crash Course Physics #26; Author: CrashCourse;https://www.youtube.com/watch?v=mdulzEfQXDE;License: Standard YouTube License, CC-BY