University Physics (14th Edition)
14th Edition
ISBN: 9780133969290
Author: Hugh D. Young, Roger A. Freedman
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Videos
Textbook Question
Chapter 17, Problem Q17.25DQ
Glider pilots in the Midwest know that thermal updrafts are likely to occur in the vicinity of freshly plowed fields. Why?
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Glider pilots in the Midwest know that thermal updrafts are likely to occur in the vicinity of freshly plowed fields. Why?
13. (a) Calculate the convective heat loss per hour for a nude standing in a 5 m/sec wind. Assume T,- 33°C, T, = 10°C, and A,- 1.2 m. (b) If the wind speed were 2.23 m/sec, find the still air temperature that would produce the same heat loss (the wind chill equivalent temperature).
Students on a spring break picnic bring a cooler that
contains 5.3 kg of ice at 0.0 °C. The cooler has walls
that are 3.5 cm thick and are made of Styrofoam, which
has a thermal conductivity of 0.030W/(m-C). The
surface area of the cooler is 2.2 m²
and it rests in the shade where the air temperature is 22
"C.
Find the rate at which heat flows into the cooler.
Express your answer using two significant figures.
195] ΑΣΦ
Q/t=
Submit Previous Answers Request Answer
X Incorrect; Try Again; 3 attempts remaining
Part B
How long does it take for the ice in the cooler to melt?
Express your answer using two significant figures.
15. ΑΣΦ
W
hrs.
Chapter 17 Solutions
University Physics (14th Edition)
Ch. 17 - Explain why it would not make sense to use a...Ch. 17 - If you heat the air inside a rigid, scaled...Ch. 17 - Many automobile engines have cast-iron cylinders...Ch. 17 - Why do frozen water pipes burst? Would a mercury...Ch. 17 - Two bodies made of the same material have the same...Ch. 17 - Why is it sometimes possible to loosen caps on...Ch. 17 - The inside of an oven is at a temperature of 200C...Ch. 17 - A newspaper article about the weather states that...Ch. 17 - A student asserts that a suitable unit for...Ch. 17 - Prob. Q17.10DQ
Ch. 17 - The units of specific heat c are J/kg K, but the...Ch. 17 - Why is a hot, humid day in the tropics generally...Ch. 17 - A piece of aluminum foil used to wrap a potato for...Ch. 17 - Desert travelers sometimes keep water in a canvas...Ch. 17 - When you first step out of the shower, you feel...Ch. 17 - The climate of regions adjacent to large bodies of...Ch. 17 - When water is placed in ice-cube trays in a...Ch. 17 - Before giving you an injection, a physician swabs...Ch. 17 - A cold block of metal feels colder than a block of...Ch. 17 - A person pours a cup of hot coffee, intending to...Ch. 17 - When a freshly baked apple pie has just been...Ch. 17 - Old-time kitchen lore suggests that things cook...Ch. 17 - In coastal regions in the winter, the temperature...Ch. 17 - It is well known that a potato bakes faster if a...Ch. 17 - Glider pilots in the Midwest know that thermal...Ch. 17 - Some folks claim that ice cubes freeze faster if...Ch. 17 - Were lucky that the earth isnt in thermal...Ch. 17 - Prob. Q17.28DQCh. 17 - Convert the following Celsius temperatures to...Ch. 17 - BIO Temperatures in Biomedicine. (a) Normal body...Ch. 17 - Prob. 17.3ECh. 17 - (a) Calculate the one temperature at which...Ch. 17 - You put a bottle of soft drink in a refrigerator...Ch. 17 - Prob. 17.6ECh. 17 - The pressure of a gas at the triple point of water...Ch. 17 - Prob. 17.8ECh. 17 - Prob. 17.9ECh. 17 - Prob. 17.10ECh. 17 - The Humber Bridge in England has the worlds...Ch. 17 - One of the tallest buildings in the world is the...Ch. 17 - A U.S. penny has a diameter of 1.9000 cm at 20.0C....Ch. 17 - Ensuring a Tight Fit. Aluminum rivets used in...Ch. 17 - A copper cylinder is initially at 20.0C. At what...Ch. 17 - A geodesic dome constructed with an aluminum...Ch. 17 - A glass flask whose volume is 1000.00 cm3 at 0.0C...Ch. 17 - A steel tank is completely filled with 1.90 m3 of...Ch. 17 - A machinist bores a hole of diameter 1.35 cm in a...Ch. 17 - As a new mechanical engineer for Engines Inc., you...Ch. 17 - Steel train rails are laid in 12.0-m-long segments...Ch. 17 - A brass rod is 185 cm long and 1.60 cm in...Ch. 17 - An aluminum tea kettle with mass 1.10 kg and...Ch. 17 - In an effort to stay awake for an all-night study...Ch. 17 - Prob. 17.25ECh. 17 - BIO Heat Loss During Breathing. In very cold...Ch. 17 - You are given a sample of metal and asked to...Ch. 17 - On-Demand Water Heaters. Conventional hot-water...Ch. 17 - Prob. 17.29ECh. 17 - Prob. 17.30ECh. 17 - CP A nail driven into a board increases in...Ch. 17 - A technician measures the specific heat of an...Ch. 17 - CP A 15.0-g bullet traveling horizontally at 865...Ch. 17 - You have 750 g of water at 10.0C in a large...Ch. 17 - Prob. 17.35ECh. 17 - BIO Treatment for a Stroke. One suggested...Ch. 17 - A blacksmith cools a 1.20-kg chunk of iron,...Ch. 17 - A copper calorimeter can with mass 0.100 kg...Ch. 17 - A copper pot with a mass of 0.500 kg contains...Ch. 17 - In a container of negligible mass, 0.200 kg of ice...Ch. 17 - Prob. 17.41ECh. 17 - BIO Before going in for his annual physical, a...Ch. 17 - Prob. 17.43ECh. 17 - Prob. 17.44ECh. 17 - How much heat is required to convert 18.0 g of ice...Ch. 17 - An open container holds 0.550 kg of ice at 15.0C....Ch. 17 - CP What must the initial speed of a lead bullet be...Ch. 17 - BIO Steam Burns Versus Water Burns. What is the...Ch. 17 - BIO The Ship of the Desert. Camels require very...Ch. 17 - BIO Evaporation of sweat is an important mechanism...Ch. 17 - CP An asteroid with a diameter of 10 km and a mass...Ch. 17 - A laboratory technician drops a 0.0850-kg sample...Ch. 17 - An insulated beaker with negligible mass contains...Ch. 17 - A 4.00-kg silver ingot is taken from a furnace,...Ch. 17 - A vessel whose walls are thermally insulated...Ch. 17 - Two rods, one made of brass and the other made of...Ch. 17 - Suppose that the rod in Fig. 17.24a is made of...Ch. 17 - One end of an insulated metal rod is maintained at...Ch. 17 - A carpenter builds an exterior house wall with a...Ch. 17 - An electric kitchen range has a total wall area of...Ch. 17 - BIO Conduction Through the Skin. The blood plays...Ch. 17 - A long rod, insulated to prevent heat loss along...Ch. 17 - A pot with a steel bottom 8.50 mm thick rests on a...Ch. 17 - You are asked to design a cylindrical steel rod...Ch. 17 - A picture window has dimensions of 1.40 m 2.50 m...Ch. 17 - Prob. 17.66ECh. 17 - A spherical pot contains 0.75 L of hot coffee...Ch. 17 - The emissivity of tungsten is 0.350. A tungsten...Ch. 17 - Size of a Light-Bulb Filament. The operating...Ch. 17 - The Sizes of Stars. The hot glowing surfaces of...Ch. 17 - CP A Foucault pendulum consists of a brass sphere...Ch. 17 - Suppose that a steel hoop could be constructed to...Ch. 17 - You propose a new temperature scale with...Ch. 17 - CP CALC A 250-kg weight is hanging from the...Ch. 17 - You are making pesto for your pasta and have a...Ch. 17 - A surveyors 30.0-m steel tape is correct at 20.0C....Ch. 17 - A metal rod that is 30.0 cm long expands by 0.0650...Ch. 17 - On a cool (4.0C) Saturday morning, a pilot fills...Ch. 17 - (a) Equation (17.12) gives the stress required to...Ch. 17 - CP A metal wire, with density and Youngs modulus...Ch. 17 - A steel ring with a 2.5000-in. inside diameter at...Ch. 17 - BIO Doughnuts: Breakfast of Champions! Atypical...Ch. 17 - BIO Shivering. Shivering is your bodys way of...Ch. 17 - You cool a 100.0-g slug of red-hot iron...Ch. 17 - CALC Debyes T3 Law. At very low temperatures the...Ch. 17 - CP A person of mass 70.0 kg is sitting in the...Ch. 17 - Hot Air in a Physics Lecture. (a) A typical...Ch. 17 - CALC The molar heat capacity of a certain...Ch. 17 - Prob. 17.89PCh. 17 - BIO Overheating. (a) By how much would the body...Ch. 17 - BIO A Thermodynamic Process in an Insect. The...Ch. 17 - Hot Water Versus Steam Heating. In a household...Ch. 17 - You have 1.50 kg of water at 28.0C in an insulated...Ch. 17 - A thirsty nurse cools a 2.00-L bottle of a soft...Ch. 17 - Prob. 17.95PCh. 17 - A Styrofoam bucket of negligible mass contains...Ch. 17 - In a container of negligible mass, 0.0400 kg of...Ch. 17 - Prob. 17.98PCh. 17 - Effect of a Window in a Door. A carpenter builds a...Ch. 17 - One experimental method of measuring an insulating...Ch. 17 - Compute the ratio of the rate of heat loss through...Ch. 17 - Rods of copper, brass, and steeleach with...Ch. 17 - A brass rod 12.0 cm long, a copper rod 18.0 cm...Ch. 17 - BIO Basal Metabolic Rate. The basal metabolic rate...Ch. 17 - Prob. 17.105PCh. 17 - Prob. 17.106PCh. 17 - A Thermos for Liquid Helium. A physicist uses a...Ch. 17 - A metal sphere with radius 3.20 cm is suspended in...Ch. 17 - Prob. 17.109PCh. 17 - The icecaps of Greenland and Antarctica contain...Ch. 17 - DATA As a physicist, yon put heat into a 500.0-g...Ch. 17 - DATA At a chemical plant where you are an...Ch. 17 - DATA During your mechanical engineering...Ch. 17 - Prob. 17.114CPCh. 17 - A hollow cylinder has length L, inner radius a,...Ch. 17 - You place 35 g of this cryoprotectant at 22C in...Ch. 17 - Careful measurements show that the specific heat...Ch. 17 - In another experiment, you place a layer of this...Ch. 17 - To measure the specific heat in the liquid phase...
Additional Science Textbook Solutions
Find more solutions based on key concepts
The average speed at which car must be driven.
Physics (5th Edition)
The pV-diagram of the Carnot cycle.
Sears And Zemansky's University Physics With Modern Physics
12. A 5.0 g coin is placed 15 cm from the center of a turntable. The coin has static and kinetic coefficients o...
Physics for Scientists and Engineers: A Strategic Approach, Vol. 1 (Chs 1-21) (4th Edition)
The A string on a violin has a fundamental frequency of 440 Hz. The length of the vibrating portion is 32 cm, a...
Physics for Scientists and Engineers with Modern Physics
The final speed of the man.
College Physics: A Strategic Approach (3rd Edition)
How does the total amount of energy coming from the Sun compare to the total amount of energy leaving Earth to ...
Lecture- Tutorials for Introductory Astronomy
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- You drive a car on a winter day with the atmospheric air at -15 and you keep the outside frontwindshield surface temperature at +2 by blowing hot air on the inside surface. If the windshield is 0.5m 2 and the outside convection coefficient is 250 W/m 2 ·K, find the rate of energy loss (q) through thefront windshield. (hint: q=hA)arrow_forwardSea breezes occur along coastlines, and consist of cool air moving toward the shore from the ocean. However, this only occurs during the day, and is a stronger effect when the air temperature on the land is greatest and the air temperature above the water is coldest. At night, the breezes are reversed, moving from the land toward the ocean. Taking into consideration the specific heat capacities of water and sand (which is about the same as that of concrete), explain how sea breezes form during the day and change direction at night.arrow_forwardYou're considering purchasing a new sleeping bag whose manufacturer claims will keep you warm to -10°F. The bag has down insulation with 4.0-cm loft (thickness). Your body produces heat at the rate of 100 W and has area 1.5 m². Considering only conductive heat loss, will you be able to maintain normal body temperature in the bag at -10°F?arrow_forward
- The summit of a mountain is 3240 m higher than a point in the foothills. Assume that the atmospheric lapse rate in this area is the same as the global average of -6.5°C/km. What is the temperature of the summit when eager hikers depart from the foothill location at a temperature of 28°C?arrow_forwardThe thermal conductivity of snow varies by how tightly packed it is, but for snow of 100 kg/m3 density ,it is about 0.045 W/m/°C or 0.026 Btu/hr/°F. A half foot of snow will thus have an R-value of 19. A typical igloo is about 12 ft to 15ft in diameter and so it has a surface area of about 300ft2 .(We will ignore the floor ). Igloolik ,Nunavut , Canada requires about 20,000 degree days (Fahrenheit units) for a typical year .Calculate how many kilowatt hours you would need to keep your igloo cozy.arrow_forwardDuring a cold winter day, wind at 55 km/h is blowing parallel to a 4-m-high and 10-m-long wall of a house. If the air outside is at 5°C and the surface temperature of the wall is 12°C, determine the rate of heat loss from that wall by convection. What would your answer be if the wind velocity was doubled?arrow_forward
- The inner and outer surfaces of a 0.5-cm thick 2-m * 2-m window glass in winter are 10°C and 3°C, respectively. If the thermal conductivity of the glass is 0.78 W/m·K, determine the amount of heat loss through the glass over a period of 5 h. What would your answer be if the glass were 1 cm thick?arrow_forwardWhen energy shortages occur, magazine articles sometimes urge us to keep our homes at a constant temperature day and night to conserve fuel. They argue that when we turn down the heat at night, the walls, ceilings, and other areas cool off and must be reheated in the morning. So if we keep the temperature constant, these parts of the house will not cool off and will not have to be reheated. Does this argument make sense? Would we really save energy by following this advice?arrow_forwardConsider a person standing in a room at 18°C. Determine the total rate of heat transfer from this person if the exposed surface area and the skin temperature of the person are 1.7 m2 and 32°C, respectively, and the convection heat transfer coefficient is 5 W/m2·K. Take the emissivity of the skin and the clothes to be 0.9, and assume the temperature of the inner surfaces of the room to be the same as the air temperature.arrow_forward
- To help prevent frost damage, 4.77 kg of 0°C water is sprayed onto a fruit tree. The latent heat of fusion of water is 79.8 kcal/kg. (a) How much heat will be released by the water as it freezes?(b) How much would the temperature of the 260-kg tree decrease if it lost this amount of heat, given its specific heat is 0.800 kcal/(kg · °C), and no phase change occurs?arrow_forwardYou are in space, compare the rate of heat loss for bare skin vs. a nice thick layer of polychloroprene (space suit material). How thick should your space suit be to be comfortable? specific heat of human body is 3500 J/kg K, specific heat of polychloroprene 2200 J/kg K, temperature in space 2.6 K.arrow_forwardWhy does rising unsaturated air (air rising below the lifting condensation level) cool more quickly (at the dry adiabatic rate) than air rising above the lifting condensation level (at the saturated adiabatic rate)? Adiabatic cooling only takes place above the lifting condensation level. Above the lifting condensation level, latent heat released during condensation counteracts some of the adiabatic cooling of rising air. Adiabatic warming takes place above the lifting condensation level.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
College PhysicsPhysicsISBN:9781305952300Author:Raymond A. Serway, Chris VuillePublisher:Cengage Learning
University Physics (14th Edition)PhysicsISBN:9780133969290Author:Hugh D. Young, Roger A. FreedmanPublisher:PEARSON
Introduction To Quantum MechanicsPhysicsISBN:9781107189638Author:Griffiths, David J., Schroeter, Darrell F.Publisher:Cambridge University Press
Physics for Scientists and EngineersPhysicsISBN:9781337553278Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
Lecture- Tutorials for Introductory AstronomyPhysicsISBN:9780321820464Author:Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina BrissendenPublisher:Addison-Wesley
College Physics: A Strategic Approach (4th Editio...PhysicsISBN:9780134609034Author:Randall D. Knight (Professor Emeritus), Brian Jones, Stuart FieldPublisher:PEARSON
College Physics
Physics
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Cengage Learning
University Physics (14th Edition)
Physics
ISBN:9780133969290
Author:Hugh D. Young, Roger A. Freedman
Publisher:PEARSON
Introduction To Quantum Mechanics
Physics
ISBN:9781107189638
Author:Griffiths, David J., Schroeter, Darrell F.
Publisher:Cambridge University Press
Physics for Scientists and Engineers
Physics
ISBN:9781337553278
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Lecture- Tutorials for Introductory Astronomy
Physics
ISBN:9780321820464
Author:Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina Brissenden
Publisher:Addison-Wesley
College Physics: A Strategic Approach (4th Editio...
Physics
ISBN:9780134609034
Author:Randall D. Knight (Professor Emeritus), Brian Jones, Stuart Field
Publisher:PEARSON
Thermal Expansion and Contraction of Solids, Liquids and Gases; Author: Knowledge Platform;https://www.youtube.com/watch?v=9UtfegG4DU8;License: Standard YouTube License, CC-BY