College PhysicsOER 2016 EditionOpenStax Publisher: OpenStax CollegeISBN: 9781947172173
College Physics
Solutions for College Physics
Problem 1CQ:
How is heat transfer related to temperature?Problem 2CQ:
Describe a situation in which heat transfer occurs. What are the resulting forms of energy?Problem 4CQ:
What three factors affect the heat transfer that is necessary to change an object's temperature?Problem 5CQ:
The brakes in a car increase in temperature by T when bringing the car to rest from a speed v. How...Problem 6CQ:
Heat transfer can cause temperature and phase changes. What else can cause these changes?Problem 7CQ:
How does the latent heat of fusion of water help slow the decrease of air temperatures, perhaps...Problem 9CQ:
If you place 0C ice into 0C water in an insulated container, what will happen? Will some ice melt,...Problem 10CQ:
What effect does condensation on a glass of ice water have on the rate at which the ice melts? Will...Problem 11CQ:
In my humid climates where there are numerous bodies of water, such as in Florida, it is unusual for...Problem 12CQ:
In winters, if is often warmer in San Francisco than in nearby Sacramento, 150 km inland. In...Problem 13CQ:
Putting a lid on a boiling pot greatly reduces the heat transfer necessary to keep it boiling....Problem 14CQ:
Freeze-dried toads have been dehydrated in a vacuum. During the process, me food freezes and must be...Problem 15CQ:
When still air cools by radiating at night, it is unusual for temperatures to fall below the dew...Problem 16CQ:
In a physics classroom demonstration, an instructor inflates a balloon by mouth and then cools it in...Problem 17CQ:
What are the main methods of heat transfer front the hot core of Earth to its surface? From Earth's...Problem 18CQ:
Some electric sieves have a flat ceramic surface with heating elements hidden beneath. A pot placed...Problem 19CQ:
Loosefitting white clothing covering most at the body is ideal for desert dwellers, both in the hot...Problem 20CQ:
One way to make a fireplace more energy efficient is to have an external air supply for me...Problem 21CQ:
On cold, clear nights horses will sleep under the cover of large trees. How does this help them keep...Problem 22CQ:
When watching a daytime circus in a large, darkcolored tent, you sense significant heat transfer...Problem 23CQ:
Satellites designed to observe me radiation from cold (3 K) dark space have sensors that are shaded...Problem 24CQ:
Why are cloudy nights generally warmer than clear ones?Problem 25CQ:
Why are thermometers that are used in weather stations shielded from the sunshine? What does a...Problem 26CQ:
On average, would Earth be warmer or cooler without the atmosphere? Explain your answer.Problem 1PE:
On a hot day, the temperature of an 80,000L swimming pool increases by 150C. What is the net heat...Problem 2PE:
Show that 1cal/gC=1kcal/kgC.Problem 3PE:
To sterilize a 50.0g glass baby bottle, we must raise its temperature from 22.0C to 95.0C. How much...Problem 4PE:
The same heat transfer into identical masses of different substances produces different temperature...Problem 5PE:
Rubbing your hands together warms them by converting work into thermal energy. If a woman rubs her...Problem 6PE:
A 0.250kg block at a pure material is heated from 20.0C to 65.0C by the addition of 4.35 kJ of...Problem 7PE:
Suppose identical amounts of heat transfer into different masses of copper and water, causing...Problem 8PE:
(a) The number of kilocalories in food is determined by calorimetry techniques in which the food is...Problem 9PE:
Following Vigorous exercise, the body temperature of an 80.0kg person is 40.0C. At what rate in...Problem 10PE:
Even when shut down after a period of normal use, a large commercial nuclear reactor transfers...Problem 11PE:
How much heat transfer (in kilocalories) is required to thaw a 0.450kg package of frozen vegetables...Problem 12PE:
A bag containing 0C ice is much more effective in absorbing energy than one containing the same...Problem 13PE:
(a) How much heat transfer is required to raise the temperature of a 0.750kg aluminum pot containing...Problem 14PE:
The formation of condensation on a glass of ice water causes the ice to melt faster than it would...Problem 15PE:
On a trip, you notice that a 3.50kg bag of ice lasts an average of one day in your cooler. What is...Problem 16PE:
On a certain dry sunny day, a swimming pool’s temperature would rise by 1.50C if not for...Problem 17PE:
(a) How much heat transfer is necessary to raise the temperature of a 0.200kg piece of ice from...Problem 18PE:
In 1986, a gargantuan iceberg broke away from the Ross Ice Shelf in Antarctica. It was approximately...Problem 19PE:
How many grams of coffee must evaporate from 350 g of coffee in a 100g glass cup to cool the coffee...Problem 20PE:
(a) It is difficult to extinguish a fire on a crude oil tanker, because each liter of crude oil...Problem 21PE:
The energy released from condensation in thunderstorms can be very large. Calculate the energy...Problem 22PE:
To help prevent from damage, 4.00 kg at 0C water is sprayed onto a fruit tree. (a) How much heat...Problem 23PE:
A 0.250kg aluminum bowl holding 0.800 kg of soup at 25.0C is placed in a freezer. What is the final...Problem 24PE:
A 0.0500kg ice cube at 30.0C is placed in 0.400 kg of 350C water in a very wellinsulated container....Problem 25PE:
If you pour 0.0100 kg of 20.0C water onto a 1.20kg block of ice (which is initially at 15.0C ), what...Problem 26PE:
Indigenous people sometimes cook in watertight baskets by placing hot rocks into water to bring it...Problem 27PE:
What would be the final temperature of the pan and water in Calculating the Final Temperature When...Problem 28PE:
In some countries, liquid nitrogen is used on dairy trucks instead of mechanical refrigerators. A...Problem 29PE:
Some gun fanciers make their own bullets, which involves melting and casting the lead slugs. How...Problem 30PE:
(a) Calculate the rate of heat conduction through house walls that are 13.0 cm thick and that have...Problem 31PE:
The rate of heat conduction out of a window on a winter day is rapid enough to chill the air next to...Problem 32PE:
Calculate the rate of heat conduction out of the human body, assuming that the core internal...Problem 33PE:
Suppose you stand with one foot on ceramic flooring and one foot on a wool carpet, making contact...Problem 34PE:
A man consumes 3000 kcal of food in one day. Converting most of it to maintain body temperature. If...Problem 35PE:
(a) A firewalker runs across a bed of hot coals without sustaining burns. Calculate the heat...Problem 36PE:
(a) What is the rate of heat conduction through the 3.00-cm-thick fur of a large animal having a...Problem 37PE:
A walrus transfers energy by conduction through its blubber at the rate of 150 W when immersed in...Problem 38PE:
Compare the rate of heat conduction through a 13.0-cm-thick wall that has an area of 10.0m2 and a...Problem 39PE:
Suppose a person is covered head to foot by wool clothing with average thickness of 2.00 cm and is...Problem 40PE:
Some stove tops are smooth ceramic for easy cleaning. If the ceramic is 0.600 cm thick and heat...Problem 41PE:
One easy way to reduce heating (and cooling) costs is to add extra insulation in the attic of a...Problem 42PE:
(a) Calculate the rate of heat conduction through a double-paned window that has a 1.50m3 area and...Problem 43PE:
Many decisions are made on the basis of the payback period: the time it will take through savings to...Problem 44PE:
For the human body, what is the rate of heat transfer by conduction through the body’s tissue with...Problem 46PE:
At what temperature does still air cause the same chill factor as 5C air moving at 15m/s ?Problem 47PE:
The “steam” above a freshly made cup of instant coffee is really water vapor droplets condensing...Problem 48PE:
(a) How many kilograms of water must evaporate from a 60.0-kg woman to lower her body temperature by...Problem 49PE:
On a hot dry day, evaporation from a lake has just enough heat transfer to balance the 1.00kW/m2 of...Problem 50PE:
One winter day, the climate control system of a large university classroom building malfunctions. As...Problem 51PE:
The Kilauea volcano in Hawaii is the world’s most active, disgorging about 5105m3 of 1200C lava per...Problem 52PE:
During heavy exercise, the body pumps 2.00 L of blood per minute to the surface, where it is cooled...Problem 53PE:
A person inhales and exhales 2.00 L of 37.0C air, evaporating 4.00102g of water from the lungs and...Problem 54PE:
A glass coffee pot has a circular bottom with a 9.00-cm diameter in contact with a heating element...Problem 55PE:
At what net rate does heat radiate from a 275m2 black roof on a night when the roof’s temperature is...Problem 56PE:
(a) Cherry-red embers in a fireplace are at 850C and have an exposed area of 0.200m2 and an...Problem 57PE:
Radiation makes it impossible to stand close to a hot lava flow. Calculate the rate of heat transfer...Problem 58PE:
(a) Calculate the rate of heat transfer by radiation from a car radiator at 110C into a 50.0C...Problem 59PE:
Find the net rate of heat transfer by radiation from a skier standing in the shade, given the...Problem 60PE:
Suppose you walk into a sauna that has an ambient temperature of 50.0C. (a) Calculate the rate of...Problem 61PE:
Thermography is a technique for measuring radiant heat and detecting variations in surface...Problem 62PE:
The Sun radiates like a perfect black body with an emissivity of exactly 1. (a) Calculate the...Problem 63PE:
A large body of lava from a volcano has stopped flowing and is slowly cooling. The interior of the...Problem 64PE:
Calculate the temperature the entire sky would have to be in order to transfer energy by radiation...Problem 65PE:
(a) A shirtless rider under a circus tent feels the heat radiating from the sunlit portion of the...Problem 66PE:
Integrated Concepts One 30.0C day the relative humidity is 75.0%, and that evening the temperature...Problem 67PE:
Integrated Concepts Large meteors sometimes strike the Earth, converting most of their kinetic...Problem 68PE:
Integrated Concepts Frozen waste from airplane toilets has sometimes been accidentally ejected at...Problem 69PE:
€69. Integrated Concepts (a) A large electrical power facility produces 1600 MW of “waste heat.”...Problem 70PE:
Integrated Concepts (a) Suppose you start a workout on a Stairmaster, producing power at the same...Problem 71PE:
Integrated Concepts A 76.0-kg person suffering from hypothermia comes indoors and shivers...Problem 72PE:
Integrated Concepts In certain large geographic regions, the underlying rock is hot. Wells can be...Problem 73PE:
Integrated Concepts Heat transfers from your lungs and breathing passages by evaporating water. (a)...Problem 74PE:
Integrated Concepts (a) What is the temperature increase of water failing 55.0 m over Niagara Falls?...Problem 75PE:
Integrated Concepts Hot air rises because it has expanded. It then displaces a greater volume of...Problem 76PE:
Unreasonable Results (a) What is the temperature increase of an 80.0 kg person who consumes 2500...Problem 77PE:
Unreasonable Results A slightly deranged Arctic inventor surrounded by ice thinks it would be much...Problem 78PE:
Unreasonable Results (a) Calculate the rate of heat transfer by conduction through a window with an...Problem 79PE:
Unreasonable Results A meteorite 1.20 cm in diameter is so hot immediately after penetrating the...Problem 80PE:
Construct Your Own Problem Consider a new model of commercial airplane having its brakes tested as a...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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