College PhysicsOER 2016 EditionOpenStax Publisher: OpenStax CollegeISBN: 9781947172173
College Physics
Solutions for College Physics
Problem 2CQ:
Which of the following substances are fluids at room temperature: air, mercury, water, glass?Problem 4CQ:
How do gases differ from liquids?Problem 6CQ:
Give an example in which density is used to identify the substance composing an object. Would...Problem 10CQ:
The outward force on one end of an air tank was calculated in Example 11.2. How is this force...Problem 12CQ:
In a remote location near the North Pole, an iceberg floats in a lake. Next to the lake (assume it...Problem 13CQ:
How do jogging on soft ground and wearing padded shoes reduce the pressures to which the feet and...Problem 14CQ:
Toe dancing (as in ballet) is much harder on toes than normal dancing or walking. Explain in terms...Problem 15CQ:
How do you convert pressure units like millimeters of mercury, centimeters of water, and inches of...Problem 16CQ:
Atmospheric pressure exerts a large force (equal to the weight of the atmosphere above your...Problem 22CQ:
Does atmospheric pressure add to the gas pressure in a rigid tank? In a toy balloon? When, in...Problem 23CQ:
You can break a strong wine bottle by pounding a cork into it with your fist, but the cork must...Problem 24CQ:
Suppose the master cylinder in a hydraulic system is at a greater height than the slave cylinder....Problem 25CQ:
Explain why the fluid reaches equal levels on either side of a manometer if both sides are open to...Problem 27CQ:
Considering the magnitude of typical arterial blood pressures, why are mercury rather than water...Problem 28CQ:
More force is required to pull the plug in a full bathtub than when it is empty. Does this...Problem 29CQ:
Do fluids exert buoyant forces in a "weightless" environment, such as in the space shuttle? Explain...Problem 30CQ:
Will the same ship float higher in salt water than in freshwater? Explain your answer.Problem 31CQ:
Marbles dropped into a partially filled bathtub sink to the bottom. Part of their weight is...Problem 32CQ:
The density of oil is less than that of water, yet a loaded oil tanker sits lower in the water than...Problem 35CQ:
Birds such as ducks, geese, and swans have greater densities than water, yet they are able to sit on...Problem 36CQ:
Water beads up on an oily sunbather, but not on her neighbor, whose skin is not oiled. Explain in...Problem 37CQ:
Could capillary action be used to move fluids in a "weightless" environment, such as in an orbiting...Problem 38CQ:
What effect does capillary action have on the reading of a manometer with uniform diameter? Explain...Problem 39CQ:
Pressure between the inside chest wall and the outside of the lungs normally remains negative....Problem 1PE:
Gold is sold by the troy ounce (31.103 g). What is the volume of 1 troy ounce of pure gold?Problem 2PE:
Mercury is commonly supplied in flasks containing 34.5 kg (about 76 1b). What is the volume in...Problem 3PE:
(a) What is the mass of a deep breath of air having a volume of 2.00 L? (b) Discuss the effect...Problem 4PE:
A straightforward method of finding the density of an object is to measure its mass and then measure...Problem 5PE:
Suppose you have a coffee mug with a circular cross section and vertical sides (uniform radius)....Problem 6PE:
(a) A rectangular gasoline tank can hold 50.0 kg of gasoline when full. What is the depth of the...Problem 7PE:
A trash compactor can reduce the volume of its contents to 0.350 their original value. Neglecting...Problem 8PE:
A 2.50-kg steel gasoline can holds 20.0 L of gasoline when full. What is the average density of the...Problem 9PE:
What is the density of 18.0-karat gold that is a mixture of 18 parts gold, 5 parts silver, and 1...Problem 10PE:
There is relatively little empty space between atoms in solids and liquids, so that the average...Problem 11PE:
As a woman walks, her entire weight is momentarily placed on one heel of her high-heeled shoes....Problem 12PE:
The pressure exerted by a phonograph needle on a record is surprisingly large. If the equivalent of...Problem 13PE:
Nail tips exert tremendous pressures when they are hit by hammers because they exert a large force...Problem 14PE:
What depth of mercury creates a pressure of 1.00 atm?Problem 15PE:
The greatest ocean depths on the Earth are found in the Marianas Trench near the Philippines....Problem 16PE:
Verify that the SI unit of hpg is N/m2.Problem 17PE:
Water towers store water above the level of consumers for times of heavy use, eliminating the need...Problem 18PE:
The aqueous humor in a person's eye is exerting a force of 0.300 N on the 1.10-cm2 area of the...Problem 19PE:
How much force is exerted on one side of an 8.50 cm by 11.0 cm sheet of paper by the atmosphere? How...Problem 20PE:
What pressure is exerted on the bottom of a 0.500-m-wide by 0.900-m-long gas tank that can hold 50.0...Problem 21PE:
Calculate the average pressure exerted on the palm of a shot-putter's hand by the shot if the area...Problem 22PE:
The left side of the heart creates a pressure of 120 mm Hg by exerting a force directly on the blood...Problem 24PE:
How much pressure is transmitted in the hydraulic system considered in Example 11.6? Express your...Problem 25PE:
What force must be exerted on the master cylinder of a hydraulic lift to support the weight of a...Problem 26PE:
A crass host pours the remnants of several bottles of wine into a jug after a party. He then inserts...Problem 27PE:
A certain hydraulic system is designed to exert a force 100 times as large as the one put into it....Problem 28PE:
(a) Verify that work input equals work output for a hydraulic system assuming no losses to friction....Problem 30PE:
(a) Convert normal blood pressure readings of 120 over 80 mm Hg to newtons per meter squared using...Problem 31PE:
How tall must a water-filled manometer be to measure blood pressures as high as 300 mm Hg?Problem 32PE:
Pressure cookers have been around for more than 300 years, although their use has strongly declined...Problem 33PE:
Suppose you measure a standing person's blood pressure by placing the cuff on his leg 0.500 m below...Problem 34PE:
A submarine is stranded on the bottom of the ocean with its hatch 25.0 m below the surface....Problem 35PE:
Assuming bicycle tires are perfectly flexible and support the weight of bicycle and rider by...Problem 36PE:
What fraction of ice is submerged when it floats in freshwater, given the density of water at 0°C is...Problem 37PE:
Logs sometimes float vertically in a lake because one end has become water-logged and denser than...Problem 38PE:
Find the density of a fluid in which a hydrometer having a density of 0.750 g/mL floats with 92.0%...Problem 39PE:
If your body has a density of 995 kg/m3, what fraction of you will be submerged when floating gently...Problem 40PE:
Bird bones have air pockets in them to reduce their weight—this also gives them an average density...Problem 41PE:
A rock with a mass of 540 g in air is found to have an apparent mass of 342 g when submerged in...Problem 42PE:
Archimedes' principle can be used to calculate the density of a fluid as well as that of a solid....Problem 43PE:
In an immersion measurement of a woman's density, she is found to have a mass of 62.0 kg in air and...Problem 44PE:
Some fish have a density slightly less than that of water and must exert a force (swim) to stay...Problem 45PE:
(a) Calculate the buoyant force on a 2.00-L helium balloon. (b) Given the mass of the rubber in the...Problem 46PE:
(a) What is the density of a woman who floats in freshwater with 4.00% of her volume above the...Problem 47PE:
A certain man has a mass of 80 kg and a density of 955 kg/m3 (excluding the air in his lungs). (a)...Problem 48PE:
A simple compass can be made by placing a small bar magnet on a cork floating in water. (a) What...Problem 49PE:
What fraction of an iron anchor's weight will be supported by buoyant force when submerged in...Problem 50PE:
Scurrilous con artists have been known to represent gold-plated tungsten ingots as pure gold and...Problem 51PE:
A twin-sized air mattress used for camping has dimensions of 100 cm by 200 cm by 15 cm when blown...Problem 53PE:
(a) A 75.0-kg man floats in freshwater with 3.00% of his volume above water when his lungs are...Problem 54PE:
What is the pressure inside an alveolus having a radius of 2.50104 m if the surface tension of the...Problem 55PE:
(a) The pressure inside an alveolus with a 2.00104 -m radius is 1.40103 Pa, due to its fluid-lined...Problem 56PE:
What is the gauge pressure in millimeters of mercury inside a soap bubble 0.100 m in diameter?Problem 61PE:
If the gauge pressure inside a rubber balloon with a 10.0-cm radius is 1.50 cm of water, what is the...Problem 62PE:
Calculate the gauge pressures inside 2.00-cm-radius bubbles of water, alcohol, and soapy water....Problem 63PE:
Suppose water is raised by capillary action to a height of 5.00 cm in a glass tube. (a) To what...Problem 64PE:
Calculate the contact angle for olive oil if capillary action raises it to a height of 7.07 cm in a...Problem 65PE:
When two soap bubbles touch, the larger is inflated by the smaller until they form a single bubble....Problem 66PE:
Calculate the ratio of the heights to which water and mercury are raised by capillary action in the...Problem 67PE:
What is the ratio of heights to which ethyl alcohol and water are raised by capillary action in the...Problem 68PE:
During forced exhalation, such as when blowing up a balloon, the diaphragm and chest muscles create...Problem 69PE:
You can chew through very tough objects with your incisors because they exert a large force on the...Problem 70PE:
One way to force air into an unconscious person's lungs is to squeeze on a balloon appropriately...Problem 71PE:
Heroes in movies hide beneath water and breathe through a hollow reed (villains never catch on to...Problem 72PE:
Gauge pressure in the fluid surrounding an infant's brain may rise as high as 85.0 mm Hg (5 to 12 mm...Problem 73PE:
A full-term fetus typically has a mass of 3.50 kg. (a) What pressure does the weight of such a fetus...Problem 74PE:
If the pressure in the esophagus is -2.00 mm Hg while that in the stomach is +20.0 mm Hg, to what...Problem 76PE:
Calculate the maximum force in newtons exerted by the blood on an aneurysm, or ballooning, in a...Problem 77PE:
During heavy lifting, a disk between spinal vertebrae is subjected to a 5000-N compressional force....Problem 78PE:
When a person sits erect, increasing the vertical position of their brain by 36.0 cm, the heart must...Problem 79PE:
(a) How high will water rise in a glass capillary tube with a 0.500-mm radius? (b) How much...Problem 81PE:
Suppose you hit a steel nail with a 0.500-kg hammer, initially moving at 15.0 m/s and brought to...Problem 82PE:
Calculate the pressure due to the ocean at the bottom of the Marianas Trench near the Philippines,...Problem 84PE:
Some miners wish to remove water from a mine shaft. A pipe is lowered to the water 90 m below, and a...Problem 85PE:
You are pumping up a bicycle tire with a hand pump, the piston of which has a 2.00-cm radius. (a)...Problem 86PE:
Consider a group of people trying to stay afloat after their boat strikes a log in a lake. Construct...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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