College PhysicsOER 2016 EditionOpenStax Publisher: OpenStax CollegeISBN: 9781947172173
College Physics
Solutions for College Physics
Problem 6CQ:
Knowing that the severity of a shock depends on the magnitude of the current through your body,...Problem 7CQ:
Would your headlights dim when you start your car's engine if the wires in your automobile were...Problem 8CQ:
Some strings of holiday lights are wired in series to save wiring costs. An old version utilized...Problem 9CQ:
If two household lightbulbs rated 60 W and 100 W are connected in series to household power, which...Problem 10CQ:
Suppose you are doing a physics lab that asks you to put a resistor into a circuit, but all the...Problem 11CQ:
Before World War II, some radios got power through a “resistance cord" that had a significant...Problem 12CQ:
Some light bulbs have three power settings (not including zero), obtained from multiple filaments...Problem 15CQ:
Given a battery, an assortment of resistors, and a variety of voltage and current measuring devices,...Problem 16CQ:
Two different 12-V automobile batteries on a store shelf are rated at 600 and 850 “cold cranking...Problem 17CQ:
What are the advantages and disadvantages of connecting batteries in series? In parallel?Problem 18CQ:
Semitractor trucks use four large 12-V batteries. The starter system requires 24 V, while normal...Problem 25CQ:
Suppose you are using a multimeter (one designed to measure a range of voltages, currents, and...Problem 28CQ:
Why can a null measurement be more accurate than one using standard voltmeters and ammeters? What...Problem 29CQ:
If a potentiometer is used to measure cell emfs on the order of a few volts, why is it most accurate...Problem 30CQ:
Regarding the units involved in the relationship t = RC, verify that the units of resistance times...Problem 31CQ:
The RC time constant in heart defibrillation is crucial to limiting the time the current flows. If...Problem 32CQ:
When making an ECG measurement, it is important to measure voltage variations over small time...Problem 37CQ:
A long, inexpensive extension cord is connected from inside the house to a refrigerator outside. The...Problem 2PE:
(a) What is the resistance of a 1.00 102-O, a 2.50-k O, and a 4.00-kresistor connected in series?...Problem 3PE:
What are the largest and smallest resistances you can obtain by connecting a 36.0-O, a 50.0-O, and a...Problem 4PE:
An 1800-W toaster, a 1400-W electric frying pan, and a 75-W lamp are plugged into the same outlet in...Problem 5PE:
Your car’s 30.0-W headlight and 2.40-kW starter are ordinarily connected in parallel in a 12.0-V...Problem 6PE:
(a) Given a48.0-V battery and 24.0-O and 96.0-O resistors, find the current and power for each when...Problem 7PE:
Referring to the example combining series and parallel circuits and Figure 21.6, calculate I3in the...Problem 8PE:
Referring to Figure 21.6: (a) Calculate P3 and note how it this module. (b) Find the total power...Problem 9PE:
Refer to Figure 21.7 and the discussion of lights dimming when a heavy appliance comes on. (a) Given...Problem 11PE:
Show that if two resistors R1and R2are combined and one is much greater than the other (R 1 >>R 2 ):...Problem 12PE:
Unreasonable Results Two resistors, one having a resistance of 145 , are connected in parallel to...Problem 13PE:
Unreasonable Results Two resistors, one having a resistance of 900 k, are connected in series to...Problem 14PE:
Standard automobile batteries have six lead-acid cells in series, creating a total emf of 12.0 V....Problem 15PE:
Car bon-zinc dry cells (sometimes referred to as non- alkaline cells) have an emf of 1.54 V, and...Problem 16PE:
What is the output voltage of a 3.0000-V lithium cell in a digital wristwatch that draws 0.300 mA,...Problem 17PE:
(a) What is the terminal voltage of a large 1.54-V carbon-zinc dry cell used in a physics lab to...Problem 18PE:
What is the internal resistance of an automobile battery that has an emf of 12.0 V and a terminal...Problem 19PE:
(a) Find the terminal voltage of a 12.0-V motorcycle battery having a 0.600- internal resistance,...Problem 20PE:
A car battery with a 12-V emf and an internal resistance of 0.050 is being charged with a current...Problem 21PE:
The hot resistance of a flashlight bulb is 2.30 , and it is run by a 1.58-V alkaline cell having a...Problem 22PE:
The label or a portable radio recommends the use of rechargeable nickel-cadmium cells (nicads),...Problem 23PE:
An automobile starter motor has an equivalent resistance of 0.0500 and is supplied by a 12.0-V...Problem 24PE:
A child’s electronic toy is supplied by three 1.58-V alkaline cells having internal resistances of...Problem 25PE:
(a) What is the internal resistance of a voltage source if its terminal voltage drops by 2.00 V when...Problem 26PE:
A person with body resistance between his hands of 1.00 k accidentally grasps the terminals of a...Problem 27PE:
Electric fish generate current with biological cells called electroplaques, which are physiological...Problem 28PE:
Integrated Concepts A 12.0-V emf automobile battery has a terminal voltage of 16.0 V when being...Problem 29PE:
Unreasonable Results A 1.58-V alkaline cell with a 0.200- internal resistance is supplying 8.50 A...Problem 30PE:
Unreasonable Results (a) What is the internal resistance of a 1.54-V dry cell that supplies 1.00 W...Problem 33PE:
Verify the second equation in Example 21.5 by substituting the values found for the currents I1 and...Problem 34PE:
Verify the third equation in Example 21.5 by substituting the values found for the currents I1 and...Problem 39PE:
Solve Example 21.5, but use loop abcdefgha instead of loop akledcba. Explicitly show how you follow...Problem 42PE:
What is the sensitivity of the galvanometer (that is, what current gives a full-scale deflection)...Problem 43PE:
What is the sensitivity of the galvanometer (that is, what current gives a full-scale deflection)...Problem 44PE:
Find the resistance that must be placed in series with a 25.0-galvanometer having a 50.0-A...Problem 45PE:
Find the resistance that must be placed in series with a 25.0- galvanometer having a 50.0-A...Problem 46PE:
Find the resistance that must be placed in series with a 25.0- galvanometer having a 50.0-A...Problem 47PE:
Find the resistance that must be placed in paralled with a 25.0- galvanometer having a 50.0A...Problem 48PE:
Find the resistance that must be placed in series with a 10.0- galvanometer having a 100A...Problem 49PE:
Find the resistance that must be placed in parallel with a 10.0 galvanometer having a 100A...Problem 51PE:
Suppose you measure the terminal voltage of a 3.2G0-V lithium cell having an internal resistance of...Problem 52PE:
A certain ammeter has a resistance of 5.00X10-5 an its 3.00-A scale and contains a 10.0- ...Problem 53PE:
A 1,00-?O voltmeter is placed in parallel with a 75.0kresistor in a circuit, (a) Draw a circuit...Problem 54PE:
A 0.0200- ammeter is placed in series with a 10.00- resistor in a circuit, (a) Draw a circuit...Problem 55PE:
Unreasonable Results Suppose you have a 40.0- galvanometer with a 25.0-A sensitivity, (a) What...Problem 56PE:
Unreasonable Results (a) What resistance would you put in parallel with a 40.0- galvanometer having...Problem 57PE:
What is the emf x of a cell being measured in a potentiometer if the standard cell’s emf is 12.0 V...Problem 58PE:
Calculate the emfx of a dry cell for which a potentiometer is balanced when Rx= 1,200 , while an...Problem 59PE:
When an unknown resistance Rxis placed in a Wheatstone bridge, it is possible to balance the bridge...Problem 60PE:
To what value must you adjust R3to balance a Wheatstone bridge, if the unknown resistance Rxis 100 ...Problem 61PE:
(a) What is the unknown emfx in a potentiometer that balances when Rxis 10.0 O, and balances when...Problem 62PE:
Suppose you want to measure resistances in the range from 10,0 to 10.0 k using a Wheatstone bridge...Problem 63PE:
The timing device in an automobile’s intermittent wiper system is based on an RC time constant and...Problem 64PE:
A heart pacemaker fires 72 times a minute, each time a 25.0 nF capacitor is charged (by a battery in...Problem 65PE:
The duration of a photographic flash is related to an RC time constant, which is 0.100 s for a...Problem 66PE:
A 2.00- and a 7.50-F capacitor can be connected in series or parallel, as can a 25.0- and a 100k...Problem 67PE:
After two time constants, what percentage of the final voltage, emf, is on an initially uncharged...Problem 68PE:
A 500- resistor, an uncharged 1.50-F capacitor and a 6.16-V emf are connected in series, (a) What is...Problem 69PE:
A heart defibrillator being used on a patient has an RC time constant of 10.0 ms due to the...Problem 70PE:
An ECG monitor must have an RC time constant less than 1.00 102 to be able to measure variations in...Problem 72PE:
Using the exact exponential treatment, find how much time is required to discharge a 250-? capacitor...Problem 73PE:
Using the exact exponential treatment, find how much time is required to charge an initially...Problem 74PE:
Integrated Concepts If you wish to take a picture of a bullet traveling at 500 m/s, then a very...Problem 75PE:
Integrated Concepts A flashing lamp in a Christmas earring is based on an RC discharge of a...Problem 76PE:
Integrated Concepts A 160F capacitor charged to 450 V is discharged through a 31.2-k resistor. (a)...Problem 77PE:
Unreasonable Results (a) Calculate the capacitance needed to get an RC time constant of 1,00x103 s...Problem 78PE:
Construct Your Own Problem Consider a camera's flash unit. Construct a problem in which you...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
Related Physics Textbooks with Solutions
Still sussing out bartleby
Check out a sample textbook solution.
