College PhysicsOER 2016 EditionOpenStax Publisher: OpenStax CollegeISBN: 9781947172173
College Physics
Solutions for College Physics
Problem 2CQ:
Many figures in the text show streamlines. Explain why fluid velocity is greatest where streamlines...Problem 4CQ:
You can squirt water a considerably greater distance by placing your thumb over the end of a garden...Problem 5CQ:
Water is shot nearly vertically upward in a decorative fountain and the stream is observed to...Problem 6CQ:
Look back to Figure 12.4. Answer the following two questions. Why is POless than atmospheric? Why is...Problem 9CQ:
Some chimney pipes have a T-shape, with a crosspiece on top that helps draw up gases whenever there...Problem 10CQ:
Is there a limit to the height to which an entrainment device can raise a fluid? Explain your...Problem 11CQ:
Why is it preferable for airplanes to take off into the wind rather than with the wind?Problem 12CQ:
Roofs are sometimes pushed off vertically during a tropical cyclone, and buildings sometimes explode...Problem 13CQ:
Why does a sailboat need a keel?Problem 14CQ:
It is dangerous to stand close to railroad tracks when a rapidly moving commuter train passes....Problem 15CQ:
Water pressure inside a hose nozzle can be less than atmospheric pressure due to the Bernoulli...Problem 17CQ:
If you lower the window on a car while moving, an empty plastic bag can sometimes fly out the...Problem 18CQ:
Based on Bernoulli's equation, what are three forms of energy in a fluid? (Note that these forms are...Problem 19CQ:
Water that has emerged from a hose into the atmosphere has a gauge pressure of zero. Why? When you...Problem 21CQ:
Water pressure inside a hose nozzle can be less than atmospheric pressure due to the Bernoulli...Problem 22CQ:
Explain why the viscosity of a liquid decreases with temperature—that is, how might increased...Problem 23CQ:
When paddling a canoe upstream, it is wisest to travel as near to the shore as possible. When...Problem 26CQ:
Doppler ultrasound can be used to the speed of blood in the body. If there is a partial constriction...Problem 28CQ:
Some ceiling fans have decorative wicker reeds on their blades. Discuss whether these fans are as...Problem 29CQ:
What direction will a helium balloon move inside a car that is slowing down—toward the front or...Problem 30CQ:
Will identical raindrops fall more rapidly in 5° C air or 25° C air, neglecting any differences in...Problem 31CQ:
If you took two marbles of different sizes, what would you expect to observe about the relative...Problem 32CQ:
Why would you expect the rate of diffusion to increase with temperature? Can you give an example,...Problem 1PE:
What is the average flow rate in cm3/S of gasoline to the engine of a car traveling at 100 km/h if...Problem 2PE:
The heart of a resting adult pumps blood at a rate of 5.00 L/min. (a) Convert this to cm3/s. (b)...Problem 3PE:
Blood is pumped from the heart at a rate of 5.0 L/min into the aorta (of radius 1.0 cm). Determine...Problem 4PE:
Blood is flowing through an artery of radius 2 mm at a rate of 40 cm/s. Determine the flow rate and...Problem 6PE:
A major artery with a cross-sectional area of 1.00 cm2 branches into 18 smaller arteries, each with...Problem 7PE:
(a) As blood passes through the capillary bed in an organ, the capillaries join to form venules...Problem 8PE:
The human circulation system has approximately 1109 capillary vessels. Each vessel has a diameter of...Problem 9PE:
(a) Estimate the time it would take to fill a private swimming pool with a capacity of 80,000 L...Problem 10PE:
The flow rate of blood through 2.00106 -m-radius capillary is 3.80109 cm3/s. (a) What is the speed...Problem 11PE:
(a) What is the fluid speed in a fire hose with a 9.00-cm diameter carrying 80.0 L of water per...Problem 12PE:
The main uptake air duct of a forced air gas heater is 0.300 m in diameter. What is the average...Problem 13PE:
Water is moving at a velocity of 2.00 m/s through a hose with an internal diameter of 1.60 cm. (a)...Problem 14PE:
Prove that the speed of an incompressible fluid through a constriction, such as in a Venturi tube,...Problem 15PE:
Water emerges straight down from a faucet with a 1.80-cm diameter at a speed of 0.500 m/s. (Because...Problem 16PE:
Unreasonable Results A mountain stream is 10.0 m wide and averages 2.00 m in depth. During the...Problem 18PE:
Suppose you have a wind speed gauge like the pitot tube shown in Example 12.2(b). By what factor...Problem 19PE:
If the pressure reading of your pitot tube is 15.0 mm Hg at a speed of 200 km/h, what will it be at...Problem 20PE:
Calculate the maximum height to which water could be squirted with the hose in Example 12.2 example...Problem 21PE:
Every few years, winds in Boulder, Colorado, attain sustained speeds of 45.0 m/s (about 100 mi/h)...Problem 22PE:
(a) Calculate the approximate force on a square meter of sail, given the horizontal velocity of the...Problem 23PE:
(a) What is the pressure drop due to the Bernoulli effect as water goes into a 3.00-cm-diameter...Problem 24PE:
(a) Using Bernoulli's equation, show that the measured fluid speed v for a pitot tube, like the one...Problem 25PE:
Hoover Dam on the Colorado River is the highest dam in the United States at 221 m, with an output of...Problem 26PE:
A frequently quoted rule of thumb in aircraft design is that wings should produce about 1000 N of...Problem 27PE:
The left ventricle of a resting adult's heart pumps blood at a flow rate of 83.0 cm3/s, increasing...Problem 28PE:
A sump pump (used to drain water from the basement of houses built below the water table) is...Problem 29PE:
(a) Calculate the retarding force due to the viscosity of the air layer between a cart and a level...Problem 30PE:
What force is needed to pull one microscope slide over another at a speed of 1.00 cm/s, if there is...Problem 31PE:
A glucose solution being administered with an IV has a flow rate of 4.00 cm3/min. What will the new...Problem 32PE:
The pressure drop along a length of artery is 100 Pa, the radius is 10 mm, and the flow is laminar....Problem 33PE:
A small artery has a length of 1.1103 m and a radius of 2.5105 m. If the pressure drop across the...Problem 34PE:
Fluid originally flows through a tube at a rate of 100 cm3/s. To illustrate the sensitivity of flow...Problem 35PE:
The arterioles (small arteries) leading to an organ, constrict in order to decrease flow to the...Problem 36PE:
Angioplasty is a technique in which arteries partially blocked with plaque are dilated to increase...Problem 37PE:
(a) Suppose a blood vessel's radius is decreased to 90.0% of its original value by plaque deposits...Problem 38PE:
A spherical particle falling at a terminal speed in a liquid must have the gravitational force...Problem 39PE:
Using the equation of the previous problem, find the viscosity of motor oil in which a steel ball of...Problem 40PE:
A skydiver will reach a terminal velocity when the air drag equals their weight. For a skydiver with...Problem 41PE:
A layer of oil 1.50 mm thick is placed between two microscope slides. Researchers find that a force...Problem 42PE:
(a) Verify that a 19.0% decrease in laminar flow through a tube is caused by a 5.00% decrease in...Problem 43PE:
Example 12.8 dealt with the flow of saline solution in an IV system. (a) Verify that a pressure of...Problem 44PE:
When physicians diagnose arterial blockages, they quote the reduction in flow rate. If the flow rate...Problem 45PE:
During a marathon race, a runner's blood flow increases to 10.0 times her resting rate. Her blood's...Problem 46PE:
Water supplied to a house by a water main has a pressure of 3.00105 N/m2 early on a summer day when...Problem 47PE:
An oil gusher shoots crude oil 25.0 m into the air through a pipe with a 0.100-m diameter....Problem 48PE:
Concrete is pumped from a cement mixer to the place it is being laid, instead of being carried in...Problem 49PE:
Construct Your Own Problem Consider a coronary artery constricted by arteriosclerosis. Construct a...Problem 50PE:
Consider a river that spreads out in a delta region on its way to the sea. Construct a problem in...Problem 51PE:
Verify that the flow of oil is laminar (barely) for an oil gusher that shoots crude oil 25.0 m into...Problem 52PE:
Show that the Reynolds number NRis unitless by substituting units for all the quantities in its...Problem 53PE:
Calculate the Reynolds numbers for the flow of water through (a) a nozzle with a radius of 0.250 cm...Problem 54PE:
A fire hose has an inside diameter of 6.40 cm. Suppose such a hose carries a flow of 40.0 LIS...Problem 55PE:
Concrete is pumped from a cement mixer to the place it is being laid, instead of being carried in...Problem 56PE:
At what flow rate might turbulence begin to develop in a water main with a 0.200-m diameter? Assume...Problem 57PE:
What is the greatest average speed of blood flow at 37° C in an artery of radius 2.00 mm if the flow...Problem 58PE:
In Take-Home Experiment: Inhalation, we measured the average flow rate Q of air traveling through...Problem 59PE:
Gasoline is piped underground from refineries to major users. The flow rate is 3.00102 m3/s (about...Problem 60PE:
Assuming that blood is an ideal fluid, calculate the critical flow rate at which turbulence is a...Problem 61PE:
Unreasonable Results A fairly large garden hose has an internal radius of 0.600 cm and a length of...Problem 62PE:
You can smell perfume very shortly after opening the bottle. To show that it is not reaching your...Problem 63PE:
What is the ratio of the average distances that oxygen will diffuse in a given time in air and...Problem 64PE:
Oxygen reaches the veinless cornea of the eye by diffusing through its tear layer, which is 0.500-mm...Problem 65PE:
(a) Find the average time required for an oxygen molecule to diffuse through a 0.200-mm-thick tear...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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