College PhysicsOER 2016 EditionOpenStax Publisher: OpenStax CollegeISBN: 9781947172173
College Physics
Solutions for College Physics
Problem 1CQ:
Define normal force. What is its relationship to friction when friction behaves simply?Problem 2CQ:
The glue on a piece of tape can exert forces. Can these forces be a type of simple friction?...Problem 3CQ:
When you learn to drive, you discover that you need to up slightly on the brake pedal as you come to...Problem 4CQ:
When you push a piece of chalk across a chalkboard, it sometimes screeches because it rapidly...Problem 5CQ:
Athletes such as swimmers and bicyclists wear body suits in competition. Formulate a list of pros...Problem 6CQ:
Two expressions were used for the drag force experienced by a moving object a liquid. One depended...Problem 7CQ:
As cars travel, oil and gasoline leaks onto the road surface. If a light rain falls, what does this...Problem 8CQ:
Why can a squirrel jump from a tree branch to the ground and run away undamaged, while a human could...Problem 9CQ:
The elastic properties of the arteries are essential for blood flow. Explain the importance of this...Problem 10CQ:
What are you feeling when you feel your pulse? Measure your pulse rate for 10 s and for 1 min. Is...Problem 11CQ:
Examine different types of shoes, including sports shoes and thongs. In terms of physics, why are...Problem 12CQ:
Would you expect your height to be different depending upon the time of day? Why or why not?Problem 13CQ:
Why can a squirrel from a tree branch to the ground and run away undamaged, while a human could...Problem 15CQ:
An old carpenter's trick to keep nails from bending when they are pounded into hard materials is to...Problem 16CQ:
When a glass bottle full of vinegar warms up, both the vinegar and the glass expand, but vinegar...Problem 1PE:
A physics major is cooking breakfast when he notices that the frictional force between his steel...Problem 2PE:
(a) When rebuilding her car's engine, a physics major must exert 300 N of force to insert a dry...Problem 3PE:
(a) What is the maximum frictional force in the knee joint of a person who supports 66.0 kg of her...Problem 4PE:
Suppose you have a 120-kg wooden crate resting on a wood floor. (a) What maximum force can you exert...Problem 5PE:
(a) If half of the weight of a small 1.00103 kg utility truck is supported by its two drive wheels,...Problem 6PE:
A team of eight dogs pulls a sled with waxed wood runners on wet snow (mush!). The dogs have average...Problem 7PE:
Consider the 65.0-kg ice skater being pushed by two others shown in Figure 5.21. (a) Find the...Problem 8PE:
Show that the acceleration of any object down a frictionless incline that makes an angle with the...Problem 9PE:
Show that the acceleration of any object down an incline where friction behaves simply (that is,...Problem 10PE:
Calculate the deceleration of a snow boarder going up a 5.0°, slope assuming the coefficient of...Problem 11PE:
(a) Calculate the acceleration of a skier heading down a 10.0° slope, assuming the coefficient of...Problem 12PE:
If an object is to rest on an incline without slipping, then friction must equal the component of...Problem 13PE:
Calculate the maximum deceleration of a car that is heading down a 6° slope (one that makes an angle...Problem 14PE:
Calculate the maximum acceleration of a car that is heading up a 4° slope (one that makes an angle...Problem 15PE:
Repeat Exercise 5.14 for a car with four-wheel drive.Problem 16PE:
A freight train consists of two 8.00105 -kg engines and 45 cars with average masses of 5.50105 kg....Problem 17PE:
Consider the 52.0-kg mountain climber in Figure 5.22. (a) Find the tension in the rope and the force...Problem 18PE:
A contestant in a winter sporting event pushes a 45.0-kg block of ice across a frozen lake as shown...Problem 19PE:
Repeat Exercise 5.18 with the contestant pulling the block of ice with a rope over his shoulder at...Problem 20PE:
The terminal velocity of a person falling in air depends upon the weight and the area of the person...Problem 21PE:
A 60-kg and a go-kg skydiver jump from an airplane at an altitude of 6000 m, both falling in the...Problem 22PE:
A 560-g squirrel with a surface area of 930 cm2 falls from a 5.0-m tree to the ground. Estimate its...Problem 23PE:
To maintain a constant speed, the force provided by a car's engine must equal the drag force plus...Problem 25PE:
Calculate the speed a spherical rain drop would achieve falling from 5.00 km (a) in the absence of...Problem 26PE:
Using Stokes' law, verify that the units for viscosity are kilograms per meter per second.Problem 27PE:
Find the terminal velocity of a spherical bacterium (diameter 2.00 pm) falling in water. You will...Problem 28PE:
Stokes' law describes sedimentation of particles in liquids and can be used to measure viscosity....Problem 29PE:
During a circus act, one performer swings upside down hanging from a trapeze holding another, also...Problem 30PE:
During a wrestling match, a 150 kg wrestler briefly stands on one hand during a maneuver designed to...Problem 31PE:
(a) The "lead" in pencils is a graphite composition with a Young's modulus of about 1109 N/ m2....Problem 32PE:
TV broadcast antennas are the tallest artificial structures on Earth. In 1987, a 72.0-kg physicist...Problem 33PE:
(a) By how much does a 65.0-kg mountain climber stretch her 0.800-cm diameter nylon rope when she...Problem 34PE:
A 20.0-m tall hollow aluminum flagpole is equivalent in stiffness to a solid cylinder 4.00 cm in...Problem 35PE:
As an oil well is drilled, each new section of drill pipe supports its own weight and that of the...Problem 36PE:
Calculate the force a piano tuner applies to stretch a steel piano wire 8.00 mm, if the wire is...Problem 37PE:
A vertebra is subjected to a shearing force of 500 N. Find the shear deformation, taking the...Problem 38PE:
A disk between vertebrae in the spine is subjected to a shearing force of 600 N. Find its shear...Problem 39PE:
When using a pencil eraser, you exert a vertical force of 6.00 N at a distance of 2.00 cm from the...Problem 40PE:
To consider the effect of wires hung on poles, we take data from Example 4.8, in which tensions in...Problem 41PE:
A farmer making grape juice fills a glass bottle to the brim and caps it tightly. The juice expands...Problem 42PE:
(a) When water freezes, its volume increases by 9.05% (that is, V/V0=9.05102 ). What force per unit...Problem 43PE:
This problem returns to the tightrope walker studied in Example 4.6, who created a tension 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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