College PhysicsOER 2016 EditionOpenStax Publisher: OpenStax CollegeISBN: 9781947172173
College Physics
Solutions for College Physics
Problem 1CQ:
An object that has a small mass and an object that has a large mass have the same momentum. Which...Problem 2CQ:
An object that has a small mass and an object that has a large mass have the same kinetic energy....Problem 3CQ:
Professional Application Football coaches advise players to block, hit, and tackle with their feet...Problem 5CQ:
Professional Application Explain in terms of impulse how padding reduces forces in a collision....Problem 6CQ:
While jumping on a trampoline, sometimes you land on your back and other times on your feet. In...Problem 7CQ:
Professional Application Tennis racquets have "sweet spots." If the ball hits a sweet spot then the...Problem 8CQ:
Professional Application If you dive into water, you reach greater depths if you do a belly flop....Problem 9CQ:
Under what circumstances is momentum conserved?Problem 10CQ:
Can momentum be conserved for a system if there are external forces acting on the system? If so,...Problem 11CQ:
Momentum for a system can be conserved in one direction while not being conserved in another. What...Problem 12CQ:
Professional Application Explain in terms of momentum and Newton's laws how a car's air resistance...Problem 13CQ:
Can objects in a system have momentum while the momentum of the system is zero? Explain your answer.Problem 14CQ:
Must the total energy of a system be conserved whenever its momentum is conserved? Explain why or...Problem 15CQ:
What is an elastic collision?Problem 17CQ:
Mixed-pair ice skaters performing in a show are standing motionless at arms length just before...Problem 18CQ:
A Small pickup truck that has a caliper shell slowly coasts toward a red light with negligible...Problem 20CQ:
Professional Application Suppose a fireworks shell explodes, breaking into three large pieces for...Problem 21CQ:
Professional Application During a visit to the International Space Station, an astronaut was...Problem 22CQ:
Professional Application It is possible for the velocity of a rocket to be greater than the exhaust...Problem 1PE:
(a) Calculate the momentum of a 2000-kg elephant charging a hunter at a speed of 7.50 m/s. (b)...Problem 2PE:
(a) What is the mass of a large ship that has a momentum of 1.60109kgm/s, when the ship is moving at...Problem 3PE:
(a) At what speed would a 2.00104 -kg airplane have to fly to have a momentum of 1.60109kgm/s (the...Problem 4PE:
(a) What is the momentum of a garbage truck that is 1.20104 kg and is moving at 10.0 m/s ? (b) At...Problem 5PE:
A runaway train car that has a mass of 15,000 kg travels at a speed of 5.4 m/s down a track. Compute...Problem 6PE:
The mass of Earth is 5.9721024 kg and its orbital radius is an average of 1.4961011 m. Calculate its...Problem 7PE:
A bullet is accelerated down the barrel of a gun by hot gases produced in the combustion of gun...Problem 8PE:
Professional Application A car moving at 10 m/s crashes into a tree and stops in 0.26 s. Calculate...Problem 9PE:
A person slaps her leg with her hand, bringing her hand to rest in 2.50 milliseconds from an initial...Problem 10PE:
Professional Application A professional boxer hits his opponent with a 1000-N horizontal blow that...Problem 11PE:
Professional Application Suppose a child drives a bumper car head on into the side rail, which...Problem 12PE:
Professional Application One hazard of space travel is debris left by previous missions. There are...Problem 13PE:
Professional Application A 75.0-kg person is riding in a car moving at 20.0 m/s when the car runs...Problem 14PE:
Professional Application Military rifles have a mechanism for reducing the recoil forces of the gun...Problem 15PE:
A cruise ship with a mass of 1.00107 kg strikes a pier at a speed of 0.750 m/s. It comes to rest...Problem 16PE:
Calculate the final speed of a 110-kg rugby player who is initially running at 8.00 m/s but collides...Problem 17PE:
Water from a fire hose is directed horizontally against a wall at a rate of 50.0 kg/s and a speed of...Problem 18PE:
A 0.450-kg hammer is moving horizontally at 7.00 m/s when it strikes a nail and comes to rest after...Problem 19PE:
Starting with the definitions of momentum and kinetic energy, derive an equation for the kinetic...Problem 20PE:
A ball with an initial velocity of 10 m/s moves at an angle 60° above the +x -direction. The ball...Problem 21PE:
When serving a tennis ball, a player hits the ball when its velocity is zero (at the highest point...Problem 22PE:
A punter drops a ball from rest vertically 1 meter down onto his foot. The ball leaves the foot with...Problem 23PE:
Professional Application Train cars are coupled together by being bumped into one another. Suppose...Problem 24PE:
Suppose a clay model of a koala bear has a mass of 0.200 kg and slides on ice at a speed of 0.750...Problem 25PE:
Professional Application Consider the following question: A car moving at 10 m/s crashes into a tree...Problem 26PE:
What is the velocity of a 900-kg car initially moving at 30.0 m/s, just after it hits a 150-kg deer...Problem 27PE:
A 1.80-kg falcon catches a 0.650-kg dove from behind in midair. What is their velocity after impact...Problem 28PE:
Two identical objects (such as billiard balls) have a one-dimensional collision in which one is...Problem 29PE:
Professional Application Two manned satellites approach one another at a relative speed of 0.250...Problem 30PE:
A 70.0-kg ice hockey goalie, originally at rest, catches a 0.150-kg hockey puck slapped at him at a...Problem 31PE:
A 0.240-kg billiard ball that is moving at 3.00 m/s strikes the bumper of a pool table and bounces...Problem 32PE:
During an ice show, a 60.0-kg skater leaps into the air and is caught by an initially stationary...Problem 33PE:
Professional Application Using mass and speed data from Example 8.1 and assuming that the football...Problem 34PE:
A battleship that is 6.00*10' kg and is originally at rest fires a 1100-kg artillery shell...Problem 35PE:
Professional Application Two manned satellites approaching one another, at a relative speed of 0.250...Problem 36PE:
Professional Application A 30,000-kg freight car is coasting at 0.850 m/s with negligible friction...Problem 37PE:
Professional Application Space probes may be separated from their launchers by exploding bolts....Problem 38PE:
A 0.0250-kg bullet is accelerated from rest to a speed of 550 m/s in a 3.00-kg rifle. The pain of...Problem 39PE:
Professional Application One of the waste products of a nuclear reactor is plutonium-239 (239Pu)....Problem 40PE:
Professional Application The Moon's craters are remnants of meteorite collisions. Suppose a fairly...Problem 41PE:
Professional Application Two football players collide head-on in midair while trying to catch a...Problem 42PE:
What is the speed of a garbage truck that is 1.20104 kg and is initially moving at 25.0 m/s just...Problem 43PE:
During a circus act, an elderly performer thrills the crowd by catching a cannon ball shot at him....Problem 44PE:
(a) During an ice skating performance, an initially motionless 80.0-kg clown throws a fake barbell...Problem 45PE:
Two identical pucks collide on an air hockey table. One puck was originally at rest. (a) If the...Problem 46PE:
Confirm that the results of the example Example 8.7 do conserve momentum in both the x- and y...Problem 47PE:
A 3000-kg cannon is mounted so that it can recoil only in the horizontal direction. (a) Calculate...Problem 48PE:
Professional Application A 5.50-kg bowling ball moving at 9.00 m/s collides with a 0.850-kg bowling...Problem 49PE:
Professional Application Ernest Rutherford (the first New Zealander to be awarded the Nobel Prize in...Problem 50PE:
Professional Application Two cars collide at an icy intersection and stick together afterward. The...Problem 51PE:
Starting with equations m1v1=m1v1cos1+m2v2cos2 and 0=m1v1cos1+m2v2sin2 for conservation of momentum...Problem 52PE:
Integrated Concepts A 90.0-kg ice hockey player hits a 0.150-kg puck, giving the puck a velocity of...Problem 53PE:
Professional Application Antiballistic missiles (ABMs) are designed to have very large accelerations...Problem 54PE:
Professional Application What is the acceleration of a 5000-kg rocket taking off from the Moon,...Problem 55PE:
Professional Application Calculate the increase in velocity of a 4000-kg space probe that expels...Problem 56PE:
Professional Application Ion-propulsion rockets have been proposed for use in space. They employ...Problem 58PE:
Professional Application (a) Calculate the maximum rate at which a rocket can expel gases if its...Problem 59PE:
Given the following data for a fire extinguisher-toy wagon rocket experiment, calculate the average...Problem 60PE:
How much of a single-stage rocket that is 100,000 kg can be anything but fuel if the rocket is to...Problem 61PE:
Professional Application (a) A 5.00-kg squid initially at rest ejects 0.250-kg of fluid with a...Problem 62PE:
Unreasonable Results Squids have been reported to jump from the ocean and travel 30.0 m (measured...Problem 63PE:
Construct Your Own Problem Consider an astronaut in deep space cut free from her space ship and...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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