College PhysicsOER 2016 EditionOpenStax Publisher: OpenStax CollegeISBN: 9781947172173
College Physics
Solutions for College Physics
Problem 1CQ:
Analogies exist between rotational and translational physical quantities. Identity the rotational...Problem 2CQ:
Explain why centripetal acceleration changes the direction of velocity in circular motion but not...Problem 3CQ:
In circular motion, a tangential acceleration can change the magnitude of the velocity but not its...Problem 4CQ:
Suppose a Piece of food is on the edge of a rotating microwave oven plate. Does it experience...Problem 5CQ:
The moment of inertia of a long rod spun around an axis through one end perpendicular to its length...Problem 6CQ:
Why is the moment of inertia of a hoop that has a mass M and a radius R greater than the moment of...Problem 7CQ:
Give an example in which anal forte exerts a large torque. Give another example in which a large...Problem 8CQ:
While reducing the mass of a racing bike, the greatest benefit is realized from reducing the mass of...Problem 9CQ:
A ball slides up a frictionless ramp. It is then rolled without slipping and with the same initial...Problem 10CQ:
Describe the energy transformations involved when a yo-yo is thrown downward and then climbs back up...Problem 11CQ:
What energy transformations are involved when a dragster engine is revved, its clutch let out...Problem 12CQ:
The Earth has more rotational kinetic energy now than did the cloud of gas and dust from which it...Problem 13CQ:
When you start the engine of your car with the transmission in neutral, you notice that the car...Problem 14CQ:
Suppose a child walks from the outer edge of a rotating merry-go round to the inside. Does the...Problem 15CQ:
Suppose a child gets off a rotating merry-go-round, Does the angular velocity of the merry-go-round...Problem 16CQ:
Helicopters have a small propeller on their tail to keep them from rotating in the opposite...Problem 17CQ:
Whenever a helicopter has two sets of lifting blades, they rotate in opposite directions (and there...Problem 18CQ:
Describe how work is done by a skater pulling in her arms during a spin. In particular, identify the...Problem 19CQ:
When there is a global heating trend on Earth, the atmosphere expands and the length of the day...Problem 20CQ:
Nearly all conventional piston engines have flywheels on them to smooth out engine vibrations caused...Problem 21CQ:
Jet turbines spin rapidly. They are designed to fly apart if something makes them seize suddenly,...Problem 22CQ:
An astronaut tightens a bolt on a satellite in orbit. He rotates in a direction opposite to that of...Problem 23CQ:
Competitive divers pull their limbs in and curl up their bodies when they do flips. Just before...Problem 24CQ:
Draw a free body diagram to show how a diver gains angular momentum when leaving the diving board.Problem 25CQ:
In terms of angular momentum, what is the advantage of giving a football or a rifle bullet a spin...Problem 26CQ:
Describe different collisions—one in in which angular momentum is conserved, and the other in which...Problem 27CQ:
Suppose an ice hockey puck strikes a hockey stick that lies flat on the Ice and is free to move in...Problem 28CQ:
While driving his motorcycle at highway speed, a physics student notices that pulling back lightly...Problem 29CQ:
While driving his motorcycle at highway speed, a physics student notices that pulling back lightly...Problem 30CQ:
Gyroscopes used in guidance systems to indicate directions must have an angular momentum that does...Problem 1PE:
At its peak, a tornado is 60.0 m in diameter and carries 500 km/h winds. What is its angular...Problem 2PE:
Integrated Concepts An ultracentrifuge accelerates from rest to 100,000 rpm in 2.00 min. (a) What is...Problem 3PE:
Integrated Concepts You have a grindstone (a disk) that is 90.0 kg, has a 0.340-m radius, and is...Problem 4PE:
Unreasonable Results You are told that a basketball player spins the ball with an angular...Problem 5PE:
With the aid of a string, a gyroscope is accelerated from rest to 32 rad/s in 0.40 s. (a) What is...Problem 6PE:
Suppose a piece of dust finds itself on a CD. If the spin rate of the CD is 500 rpm, and the piece...Problem 7PE:
A gyroscope slows from an initial rate of 32.0 rad/s at a rate of 0.700 rad/s2. (a) How long does it...Problem 8PE:
During a very quick stop, a car decelerates at 7.00 m/s2. (a) What is the angular acceleration of...Problem 9PE:
Everyday application: Suppose a yo-yo has a center shaft that has a 0.250 cm radius and that its...Problem 10PE:
This problem considers additional aspects of example Calculating the Effect of Mass Distribution on...Problem 11PE:
Calculate the moment of inertia of a skater given the following information. (a) The 60.0-kg skater...Problem 12PE:
The triceps muscle in the back of the upper arm extends the forearm. This muscle in a professional...Problem 13PE:
A soccer player extends her lower leg in a kicking motion by exerting a force with the muscle above...Problem 14PE:
Suppose you exert a force of 180 N tangential to a 0.280-m-radius 75.0-kg grindstone (a solid disk)....Problem 15PE:
Consider the 12.0 kg motorcycle wheel shown in Figure 10.38. Assume it to be approximately an...Problem 16PE:
Zorch, an archenemy of Superman, decides to slow Earth's rotation to once per 28.0 h by exerting an...Problem 17PE:
An automobile engine can produce 200 N m of torque. Calculate the angular acceleration produced if...Problem 18PE:
Starting with the formula for the moment of inertia of a rod rotated around an axis through one end...Problem 19PE:
Unreasonable Results A gymnast doing a forward flip lands on the mat and exerts a 500- Nm torque to...Problem 20PE:
Unreasonable Results An advertisement claims that an 800-kg car is aided by its 20.0-kg flywheel,...Problem 21PE:
This problem considers energy and work aspects of Example 10.7—use data from that example as needed....Problem 22PE:
What is the final velocity of a hoop that rolls without slipping down a 5.00-m-high hill, starting...Problem 23PE:
(a) Calculate the rotational kinetic energy of Earth on its axis. (b) What is the rotational kinetic...Problem 24PE:
Calculate the rotational kinetic energy in the motorcycle wheel (Figure 10.38) if its angular...Problem 25PE:
A baseball pitcher throws the ball in a motion where there is rotation of the forearm about the...Problem 26PE:
While punting a football, a kicker rotates his leg about the hip joint. The moment of inertia of the...Problem 27PE:
A bus contains a 1500 kg flywheel (a disk that has a 0.600 m radius) and has a total mass of 10,000...Problem 28PE:
A ball with an initial velocity of 8.00 m/s rolls up a hill without slipping. Treating the ball as a...Problem 29PE:
While exercising in a fitness center, a man lies face down on a bench and lifts a weight with one...Problem 30PE:
To develop muscle tone, a woman lifts a 2.00-kg weight held in her hand. She uses her biceps muscle...Problem 31PE:
Consider two cylinders that start down identical inclines from rest except that one is frictionless....Problem 32PE:
What is the moment of inertia of an object that rolls without slipping down a 2.00-m-high incline...Problem 33PE:
Suppose a 200-kg motorcycle has two wheels like, the one described in Problem 10.15 and is heading...Problem 34PE:
In softball, the pitcher throws with the arm fully extended (straight at the elbow). In a fast pitch...Problem 35PE:
Construct Your Own Problem Consider the work done by a spinning skater pulling her arms in to...Problem 36PE:
(a) Calculate the angular momentum of the Earth in its orbit around the Sun. (b) Compare this...Problem 37PE:
(a) What is the angular momentum of the Moon in its orbit around Earth? (b) How does this angular...Problem 38PE:
Suppose you start an antique car by exerting a force of 300 N on its crank for 0.250 s. What angular...Problem 39PE:
A playground merry-go-round has a mass of 120 kg and a radius of 1.80 m and it is rotating with an...Problem 40PE:
Three children are riding on the edge of a merry-go-round that is 100 kg, has a 1.60-m radius, and...Problem 41PE:
(a) Calculate the angular momentum of an ice skater spinning at 6.00 re/s given his moment of...Problem 42PE:
Consider the Earth-Moon system. Construct a problem in which you calculate the total angular...Problem 43PE:
Repeat Example 10.15 in which the disk strikes and adheres to the stick 0.100 m from the nail.Problem 44PE:
Repeat Example 10.15 in which the disk originally spins clockwise at 1000 rpm and has a radius of...Problem 45PE:
Twin skaters approach one another as shown in Figure 10.39 and lock hands. (a) Calculate their final...Problem 46PE:
Suppose a 0.250-kg ball is thrown at 15.0 m/s to a motionless person standing on ice who catches it...Problem 47PE:
Repeat Example 10.15 in which the stick is free to have translational motion as well as rotational...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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