College PhysicsOER 2016 EditionOpenStax Publisher: OpenStax CollegeISBN: 9781947172173
College Physics
Solutions for College Physics
Problem 1CQ:
There an analogy between rotational and physical quantities. What rotational quantities are...Problem 3CQ:
If you wish to reduce the stress (which related to centripetal force) on high-speed tires, would you...Problem 4CQ:
Define centripetal force. Can any type of force (for example, tension, gravitational force,...Problem 5CQ:
If centripetal force is directed toward the center, why do you feel that you are ‘thrown' away from...Problem 6CQ:
Pace car drivers routinely cut corners as shown in Figure 6.32. Explain how this allows the curve to...Problem 7CQ:
A number of amusement parks have rides that make loops like the one shown in Figure 6.33. For...Problem 8CQ:
What is the direction of the force exerted by the car on the passenger as the car goes over the top...Problem 9CQ:
As a skater forms a circle, what force is responsible for making her turn? Use a free body diagram...Problem 10CQ:
Suppose a child is riding on a merry-go-round at a distance about halfway between its center and...Problem 11CQ:
Do you feel yourself thrown to either side when you negotiate a curve that is ideally banked for...Problem 12CQ:
Suppose a mass is moving in a circular path on a frictionless table as shown in figure. In the...Problem 13CQ:
When a toilet is flushed or a sink is drained, (and other material) begins to rotate about the drain...Problem 14CQ:
Is there a real force that throws water from clothes during the spin cycle of a washing machine?...Problem 15CQ:
In one amusement park ride, riders enter a large vertical barrel and stand against the wall on its...Problem 16CQ:
Actin at a distance, such as is the case for gravity, was once thought to be logical and therefore...Problem 17CQ:
Two friends are having a conversation. Anna says a satellite in orbit in freefall because the...Problem 18CQ:
A frame of reference placed at the center of the Sun inertial one. Why is it not exactly an inertial...Problem 19CQ:
Action at a distance, such as is the case for gravity, was once thought to be illogical and...Problem 20CQ:
Two friends are having a conversation. Anna says a satellite in orbit is in freefall because the...Problem 21CQ:
Draw a free body diagram for a satellite in an elliptical orbit showing why its speed increases as...Problem 22CQ:
Newton's laws of motion and gravity were among the first to convincingly demonstrate the underlying...Problem 23CQ:
In what frame(s) of reference are Kepler's laws valid? Are Kepler's laws purely descriptive, or do...Problem 1PE:
Semi-trailer trucks have an odometer on one hub of a trailer wheel. The hub is weighted so that it...Problem 2PE:
Microwave ovens rotate at a rate of about 6 rev/min. What is this in revolutions per second? What is...Problem 3PE:
An automobile with 0.260 m radius tires travels 80,000 km before wearing them out. How many...Problem 4PE:
(a) What is the period of rotation of Earth in seconds? (b) What is the angular velocity of Earth?...Problem 5PE:
A baseball pitcher brings his arm forward during a pitch, rotating the forearm about the elbow. If...Problem 6PE:
In lacrosse, a ball is thrown from a net on the end of a stick by rotating the stick and forearm...Problem 7PE:
A truck with 0.420-m-radius tires travels at 32.0 m/s. What is the angular velocity of the rotating...Problem 8PE:
Integrated Concepts When kicking a football, the kicker rotates his leg about the hip joint. (a) If...Problem 9PE:
Construct Your Own Problem Consider an amusement park ride in which participants are rotated about a...Problem 10PE:
A fairground ride spins its occupants inside a flying saucer-shaped container. If the horizontal...Problem 11PE:
A runner taking part in the 200 m dash must run around the end of a track that has a circular arc...Problem 12PE:
Taking the age of Earth to be about 4109 years and assuming its orbital radius of 1.51011 has not...Problem 13PE:
The propeller of a World War Il fighter plane is 2.30 m in diameter. (a) What is its angular...Problem 14PE:
An ordinary workshop grindstone has a radius of 7.50 cm and rotates at 6500 rev/min. (a) Calculate...Problem 15PE:
Helicopter blades withstand tremendous stresses. In addition to supporting the weight of a...Problem 16PE:
Olympic ice skaters are able to spin at about 5 rev/s. (a) What is their angular velocity in radians...Problem 17PE:
What percentage of the acceleration at Earth's surface is the acceleration due to gravity at the...Problem 18PE:
Verify that the linear speed of an ultracentrifuge is about 0.50 km/s, and Earth in its orbit is...Problem 19PE:
A rotating space station is said to create "artificial gravity"—a loosely-defined term used for an...Problem 20PE:
At takeoff, a commercial jet has a 60.0 m/s speed. Its tires have a diameter of 0.850 m. (a) At how...Problem 21PE:
Integrated Concepts Riders in an amusement park ride shaped like a Viking ship hung from a large...Problem 22PE:
Unreasonable Results A mother pushes her child on a swing so that his speed is 9.00 m/s at the...Problem 23PE:
(a) A 22.0 kg child is riding a playground merry-go-round that is rotating at 40.0 rev/min. What...Problem 24PE:
Calculate the centripetal force on the end of a 100 m (radius) wind turbine blade that is rotating...Problem 25PE:
What is the ideal banking angle for a gentle turn of 1.20 km radius on a highway with a 105 km/h...Problem 27PE:
(a) What is the radius of a bobsled turn banked at 75.0° and taken at 30.0 m/s, assuming it is...Problem 28PE:
Part of riding a bicycle involves leaning at the correct angle when making a turn, as seen in Figure...Problem 29PE:
A large centrifuge, like the one shown in Figure 6.37(a), is used to expose aspiring astronauts to...Problem 30PE:
Integrated Concepts If a car takes a banked curve at less than the ideal speed, friction is needed...Problem 31PE:
Modern roller coasters have vertical loops like the one shown in Figure 6.38. The radius of...Problem 32PE:
Unreasonable Results (a) Calculate the minimum coefficient of friction needed for a car to negotiate...Problem 33PE:
(a) Calculate Earth's mass given the acceleration due to gravity at the North Pole is 9.830 m/s2 and...Problem 34PE:
(a) Calculate the magnitude of the acceleration due to gravity on the surface of Earth due to the...Problem 35PE:
(a) What is the acceleration due to gravity on the surface of the Moon? (b) On the surface of Mars?...Problem 36PE:
(a) Calculate the acceleration due to gravity on the surface of the Sun. (b) By what factor would...Problem 37PE:
The Moon and Earth rotate about their common center of mass, which is located about 4700 km from the...Problem 38PE:
Solve part (b) of Example 6.6 using ac=v2/r.Problem 39PE:
Astrology, that unlikely and vague pseudoscience, makes much of the position of the planets at the...Problem 40PE:
The existence of the dwarf planet Pluto was proposed based on irregularities in Neptune's orbit....Problem 41PE:
(a) The Sun orbits the Milky Way galaxy once each 2.60108 y, with a roughly circular orbit averaging...Problem 42PE:
Unreasonable Result A mountain 10.0 km from a person exerts a gravitational force on him equal to...Problem 43PE:
A geosynchronous Earth satellite is one that has an orbital period of precisely 1 day. Such orbits...Problem 44PE:
Calculate the mass of the Sun based on data for Earth's orbit and compare the value obtained with...Problem 45PE:
Find the mass of Jupiter based on data for the orbit of one of its moons, and compare your result...Problem 47PE:
Astronomical observations of our Milky Way galaxy indicate that it has a mass of about 8.1011 solar...Problem 48PE:
Integrated Concepts Space debris left from old satellites and their launchers is becoming a hazard...Problem 49PE:
Unreasonable Results (a) Based on Kepler's laws and information on the orbital characteristics of...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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