College PhysicsOER 2016 EditionOpenStax Publisher: OpenStax CollegeISBN: 9781947172173
College Physics
Solutions for College Physics
Problem 1CQ:
There are very large numbers of charged particles in most objects. Why, then, don't most objects...Problem 2CQ:
Why do most objects tend to contain nearly equal numbers of positive and negative charges?Problem 3CQ:
An eccentric inventor attempts to levitate by first placing a large negative charge on himself and...Problem 4CQ:
If you have charged an electroscope by contact with a positively charged object, describe how you...Problem 5CQ:
When a glass rod is rubbed with silk, it becomes negativeyet both attract dust. Does the dust have a...Problem 6CQ:
Why does a car always attract dust right after it is polished? (Note that car wax and car tires are...Problem 7CQ:
Describe how a positively charged object can be used to give another object a negative charge. What...Problem 8CQ:
What is grounding? What effect does it have on a charged conductor? On a charged insulator?Problem 10CQ:
If the electric field lines in the figure above were perpendicular to the object, would it...Problem 11CQ:
The discussion of the electric field between two parallel conducting plates, in this module states...Problem 12CQ:
Would the self-created electric field at the end of a pointed conductor, such as a lightning rod,...Problem 13CQ:
Why is a golfer with a metal dub over her shoulder vulnerable to lightning in an open fairway? Would...Problem 16CQ:
Discuss pros and cons of a lightning rod being grounded versus simply being attached to a building.Problem 22CQ:
In regions of low humidity, one develops a special "grip” when opening car doors, or touching metal...Problem 23CQ:
Tollbooth stations on roadways and bridges usually have a piece of wire stuck in the pavement before...Problem 24CQ:
Suppose a woman carries an excess charge. To maintain her charged status can she he standing on just...Problem 27CQ:
Given the polar character of water molecules, explain how ions in the air form nucleation centers...Problem 28CQ:
Why must the test charge q in the definition of the electric field be vanishingly small?Problem 29CQ:
Are the direction and magnitude of the Coulomb force unique at a given point in space? What about...Problem 30CQ:
Compare and contrast the Coulomb force field and the electric field. To do this, make a list of five...Problem 32CQ:
A cell membrane is a thin layer enveloping a cell. The thickness of the membrane is much less than...Problem 1PE:
Common static electricity involves charges ranging from nanocoulombs to microcoulombs. (a) How many...Problem 2PE:
If 1.801020electrons move through a pocket calculator during a full day’s operation, how many...Problem 3PE:
To start a car engine, the car battery moves 3.751021 electrons through the starter motor. How many...Problem 4PE:
A certain lightning bolt moves 40.0 C of charge. How many fundamental units of charge | qe\ is this?Problem 5PE:
Suppose a speck of dust in an electrostatic precipitator has l.0000 1012 protons in it and has a...Problem 6PE:
An amoeba has 1.001016protons and a net charge of 0.300 pC. (a) How many fewer electrons are there...Problem 7PE:
A 50.0 g ball of copper has a net charge of 2.00 C. What fraction of the copper s electrons has been...Problem 8PE:
What net charge would you place on a 100 g piece of sulfur if you put an extra electron on 1 in 1012...Problem 9PE:
How many coulombs of positive charge are there in 4.00 kg of plutonium, given its atomic mass is 244...Problem 24PE:
What is the repulsive force between two pith balls that are 8.00 cm apart and have equal charges of ...Problem 25PE:
(a) How strong is the attractive force between a glass rod with a 0.700 C charge and a silk cloth...Problem 26PE:
Two point charges exert a 5.00 N force on each other. What will the force become if the distance...Problem 27PE:
Two point charges are brought closer together, increasing the force between them by a factor of 25....Problem 28PE:
How far apart must two point charges of 75.0 nC (typical of static electricity) be to have a force...Problem 29PE:
If two equal charges each of 1 C each are separated in air by a distance of 1 km, what is the...Problem 30PE:
A test charge of +2C is placed halfway between a charge of +6 C and another of +4 /C separated by 10...Problem 31PE:
Bare free charges do not remain stationary when close together. To illustrate this, calculate the...Problem 32PE:
(a) By what factor must you change the distance between two point charges to change the force...Problem 33PE:
Suppose you have a total charge qtot that you can split in any manner. Once split, the separation...Problem 34PE:
(a) Common transparent tape becomes charged when pulled from a dispenser. If one piece is placed...Problem 35PE:
Find the ratio of the electrostatic to gravitational force between two electrons. (b) What is this...Problem 36PE:
At what distance is the electrostatic force between two protons equal to the weight of one proton?Problem 37PE:
A certain five cent coin contains 5.00 g of nickel. What fraction of the nickel atoms’ electrons,...Problem 38PE:
(a) Two point charges totaling 8.00 C exert a repulsive force of 0.150 N on one another when...Problem 39PE:
Point charges of 5.00 C and 3.00/C are placed 0.250 m apart. (a) Where can a third charge be placed...Problem 40PE:
(a) Two point charges q1 and q23.00 m apart, and their total charge is 20 C. (a) If the force of...Problem 41PE:
What is the magnitude and direction of an electric field that exerts a 2.0010-5 N upward force on a...Problem 42PE:
What is the magnitude and direction of the force exerted on a 3.50 /C charge by a 250 N/C electric...Problem 43PE:
Calculate the magnitude of the electric field 2.00 m from a point charge of 5.00 mC (such as found...Problem 44PE:
(a) What magnitude point charge creates a 10,000 N/C electric field at a distance of 0.250 m? (b)...Problem 45PE:
Calculate the initial (from rest) acceleration of a proton in a 5.00X106 N/C electric field (such as...Problem 46PE:
(a) Find the direction and magnitude of an electric field that exerts a 4.801017 N westward force on...Problem 47PE:
(a) Sketch the electric field lines near a point charge +q (b) Do the same for a point charge +q....Problem 51PE:
(a) What is the electric field 5.00 m from the center of the terminal of a Van de Graaff with a 3.00...Problem 52PE:
(a) What is the direction and magnitude of an electric field that supports the weight of a free...Problem 54PE:
Earth has a net charge that produces an electric field of approximately 150 N/C downward at its...Problem 55PE:
Point charges of 25.0 C and 45.0 (2 are placed 0.500 m apart. (a) At what point along the line...Problem 56PE:
What can you say about two charges q1and q2, if the electric field one-fourth of the way from q1to...Problem 57PE:
Integrated Concepts Calculate the angular velocity ? of an electron orbiting a proton in the...Problem 58PE:
Integrated Concepts An electron has an initial velocity of 5.00106m/s in a uniform 2.00105N/C...Problem 59PE:
Integrated Concepts The practical limit to an electric field in air is about 3.001061 N/C. Above...Problem 60PE:
Integrated Concepts A 5.00 g charged insulating ball hangs or a 30.0 cm long string in a uniform...Problem 61PE:
Integrated Concepts Figure 18.57 shows an electron passing between two charged metal plates that...Problem 62PE:
Integrated Concepts The classic Millikan oil drop experiment was the first to obtain an accurate...Problem 63PE:
Integrated Concepts (a) In Figure 18.59, four equal charges q lie on the corners of a square. A...Problem 64PE:
Unreasonable Results 64. (a) Calculate the electric field strength near a 10.0 cm diameter...Problem 65PE:
Unreasonable results (a) Two 0.500 g raindrops in a thunderhead are 1.00 cm apart when they each...Problem 66PE:
Unreasonable results A wrecking yard inventor wants to pick up cars by charging a 0.400 m diameter...Problem 67PE:
Construct Your Own Problem Consider two insulating balls with evenly distributed equal and opposite...Browse All Chapters of This Textbook
Chapter 1 - Introduction: The Nature Of Science And PhysicsChapter 2 - KinematicsChapter 3 - Two-dimensional KinematicsChapter 4 - Dynamics: Force And Newton's Laws Of MotionChapter 5 - Further Applications Of Newton's Laws: Friction, Drag, And ElasticityChapter 6 - Gravitation And Uniform Circular MotionChapter 7 - Work, Energy, And Energy ResourcesChapter 8 - Linear Momentum And CollisionsChapter 9 - Statics And TorqueChapter 10 - Rotational Motion And Angular Momentum
Chapter 11 - Fluid StaticsChapter 12 - Fluid Dynamics And Its Biological And Medical ApplicationsChapter 13 - Temperature, Kinetic Theory, And The Gas LawsChapter 14 - Heat And Heat Transfer MethodsChapter 15 - ThermodynamicsChapter 16 - Oscillatory Motion And WavesChapter 17 - Physics Of HearingChapter 18 - Electric Charge And Electric FieldChapter 19 - Electric Potential And Electric FieldChapter 20 - Electric Current, Resistance, And Ohm's LawChapter 21 - Circuits, Bioelectricity, And Dc InstrumentsChapter 22 - MagnetismChapter 23 - Electromagnetic Induction, Ac Circuits, And Electrical TechnologiesChapter 24 - Electromagnetic WavesChapter 25 - Geometric OpticsChapter 26 - Vision And Optical InstrumentsChapter 27 - Wave OpticsChapter 28 - Special RelativityChapter 29 - Introduction To Quantum PhysicsChapter 30 - Atomic PhysicsChapter 31 - Radioactivity And Nuclear PhysicsChapter 32 - Medical Applications Of Nuclear PhysicsChapter 33 - Particle PhysicsChapter 34 - Frontiers Of Physics
Sample Solutions for this Textbook
We offer sample solutions for College Physics homework problems. See examples below:
Chapter 1, Problem 1CQChapter 2, Problem 1CQGiven: The given figure is, Figure (1) Formula used: The velocity of particle is given as, v=ΔxΔt...Chapter 3, Problem 1CQGiven: The given table is, Height (m)Time...Chapter 4, Problem 1CQChapter 5, Problem 1CQChapter 6, Problem 1CQChapter 7, Problem 1CQ
Given: Distance traveled with rocket engine firing ( m)Payload final velocity (...Chapter 8, Problem 1CQGiven: The mass of the girl is m=40 kg. The mass of the platform is m=120 kg. The initial speed of...Introduction: An experiment can be performed in which the two carts will be placed on a straight...Given: The mass of puck A is mA=200 g. The mass of puck B is mB=800 g. Formula used: The initial...Given: Mass of A, ma=3m. Mass of B, mb=m. Velocity of mass A before collision, ua=12 m/s. Velocity...Given: Velocity of object A before collision, ua=4 m/s. Velocity of object B before collision, ub=−8...Given: The positions of two objects before and after collision are depicted in the following figure....Given: Mass of A is ma=1.0 kg. Mass of B is mb=3.0 kg. Initial velocity of mass A is ua=8 m/s....Given: Mass of A is ma=1.0 kg. Mass of B is mb=1.0 kg. Initial velocity of mass A is ua=4 m/s....Given: Let the mass of A be m1. The mass m2 of B is m2=2m1. The initial velocity of mass B is...Given: The mass A is moving in +x direction with an initial velocity, v1=15 m/s. The mass of B is,...Given: The mass of car A is, m1=2000 kg. The initial velocity of car A is, v1=38 m/s in the east...Chapter 9, Problem 1CQGiven: The mass of the bridge is, m=2500 kg. Formula used: The relation between the mass and weight...Given: The mass of the bridge is M=2500 kg. The mass of the car is m=900 kg. The distance of weight...Given: The mass of the woman is m1=50 kg. The acceleration due to gravity is g=9.8 m/s2. Formula...Given: Number of bricks in the wheel barrow is 20. Mass of each brick is 3 kg. Formula used: Write...Given: The weight of the dumbbell is w1=20 lb. Formula used: The relation between the mass and...Chapter 10, Problem 1CQChapter 11, Problem 1CQGiven info: The manometer along balloon and jar is shown below: Height of the liquid inside the...Given: Mass of brace, mb=150 kg Mass of load, ml=400 kg Formula used: The Force for the slave...Given info: The radius of volleyball increases by 10%. Formula used: Density is mass per unit volume...Given: Density of water, Volume of liquid, Formula Used: A polystyrene cube floating partially...Chapter 12, Problem 1CQGiven: Diameter of pipe =3.5cm Force= 320 N Rate of flowing water = 2.5m/s Pumped water level = 21m...Chapter 13, Problem 1CQChapter 14, Problem 1CQChapter 15, Problem 1CQChapter 16, Problem 1CQChapter 17, Problem 1CQGiven: The distance between bat and insect is 3.00 m. The temperatures at which echo times is to be...Given: Refer Table [17.8] The value of acoustic impedance of transducer material is, Zt=30.8×106...Given: The frequency of the car's horn is fhorn=200 Hz. Formula used: The expression for the...Given: The data length of an air column and a resonant frequency present when the column is struck...Chapter 18, Problem 1CQGiven: Point charges located at 1.00 cm, 5.00 cm, 8.00 cm and 14.0 cm along the x -axis. Formula...Given: Point charges located at 3.00, 8.00 and 11.0 cm along the x -axis. Formula used: Electric...Given: Four charges qa, qb, qc, qd placed at each corner of the square with side 5 cmhaving...Given: qb=+10.00μC qc=−5.00μC Side of an equilateral triangle 25.0 cm Formula used: E=Ebcosφ...Given: qa=+2.50 nC qb=−8.00 nC qc=+1.50 nC Point charges located at the corners of an equilateral...Formula used: The magnitude of the electrostatic force between two electrons isgiven by: FC=kq2r2...Introduction: The lines of forces are imaginary which signify amplitude and direction of an electric...Chapter 19, Problem 1CQGiven info: Charges q1=1 μCq2=−2 μCq3=3 μC Formula used: The potential energy is given by PE=−kq1q2d...Given: The charge of the particle is identical, that is, q=q. The impact of the second particle on...Chapter 20, Problem 1CQGiven: WireLengthDiameterWire 12m1cmWire 21m0.5 cmWire 31m1cm Formula used: Resistance in the wire...Given information: The given statement is a switch has a variable resistance that is nearly zero...Given information: The given figure is Introduction: Kirchhoff's junction rule states that the sum...Given information: The given figure is Formula used: Kirchhoff's second rule states that in a closed...Given information: The given figure is Introduction: Ammeter is connected in series in the circuit...Given information: The given figure is Introduction: Kirchhoff's second rule states that in a closed...Given information: The given figure is Concept Introduction: Kirchhoff's second rule states that in...Given information: The voltage of alkaline cell is 1.585 V. An internal resistance is 0.100Ω....Given information: Figure shows how a bleeder resistor is used to discharge a capacitor after an...Given: Parallel combination of two 20 Ω and one 10 Ω resistors is connected in series with a 4Ω...Chapter 22, Problem 1CQGiven: Current carrying wire is placed at the vertices of an equilateral triangle of side 10.0 cm=...Given: A pendulum is set up so that its bob swings between the poles of permanent magnet. Charge on...Chapter 23, Problem 1CQGiven information: An ideal step-up transformer with turn ratio 1:30 is supplied with an input power...Chapter 24, Problem 1CQChapter 25, Problem 1CQChapter 26, Problem 1CQChapter 27, Problem 1CQIntroduction: The resultant amplitude of two waves with equal amplitude is given by A2=2A12(1+cosδ)...Given: The nth -order diffraction angle for the longest wavelength is, θl1=53.13°. The longest...Chapter 28, Problem 1CQGiven: The Relativistic energy is E, Themomentum is p, The rest mass is m0 The speed of light is c....Chapter 29, Problem 1CQChapter 30, Problem 1CQGiven: The wavelength of first photon is λ1=121.6 nm. The wavelength of second photon is λ2=102.6...Given: The energy of the level 2 is E2=−3.4 eV. The energy of the level 3 is E3=−1.5 eV. Formula...Chapter 31, Problem 1CQChapter 32, Problem 1CQIntroduction: The formation of one or more different atomic nuclei and the subatomic particles by...Given: The reaction of nuclear fission is n01+U92235→U92236→B56141a +Ky92r + x n01 Formula Used: An...Chapter 33, Problem 1CQChapter 34, Problem 1CQ
More Editions of This Book
Corresponding editions of this textbook are also available below:
COLLEGE PHYSICS (OER)
1st Edition
ISBN: 9781947172012
COLLEGE PHYSICS
2nd Edition
ISBN: 9781711470832
COLLEGE PHYSICS
13th Edition
ISBN: 2810014673880
College Physics for AP Courses
1st Edition
ISBN: 9781630181871
College Physics
1st Edition
ISBN: 9781938168048
College Physics For Ap® Courses
16th Edition
ISBN: 9781938168932
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