Physics for Scientists and Engineers: A Strategic Approach with Modern Physics, Books a la Carte Edition; Student Workbook for Physics for Scientists ... eText -- ValuePack Access Card (4th Edition)
4th Edition
ISBN: 9780134564234
Author: Randall D. Knight (Professor Emeritus)
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 19, Problem 70EAP
A cylindrical copper rod and an iron rod with exactly the same dimensions are welded together end to end. The outside end of the copper rod is held at 100°C, and the outside end of the iron rod is held at 0°C. What is the temperature at the midpoint where the rods are joined together?
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
A copper rod and an aluminum rod of equal diameter are joined end to end in good thermal contact. The temperature of the free end of the copper rod is held constant at 100°C, and that of the far end of the
aluminum rod is held at 0°C. If the copper rod is 0.32 m long, what must be the length of the aluminum rod so that the temperature at the junction is 50°C?
m
A plane wall has a thickness of 55 cm and is made of a material with a thermal conductivity of 45 W/m K.
The inside and outside surfaces of the wall are maintained at 40°C and 80°C, respectively. What is the
temperature inside the wall at a distance of 19 cm measured from the inside surface of the wall? Express
your answer in °C.
At 20°C, the hole in an aluminum ring is 2.500 cm in diameter. You need to slip this ring over a steel shaft that has a room-temperature diameter of 2.506 cm. To what common temperature should the ring and the shaft be heated so that the ring will just fit onto the shaft?
Chapter 19 Solutions
Physics for Scientists and Engineers: A Strategic Approach with Modern Physics, Books a la Carte Edition; Student Workbook for Physics for Scientists ... eText -- ValuePack Access Card (4th Edition)
Ch. 19 - Prob. 1CQCh. 19 - Do (a) temperature, (b) heat, and (c) thermal...Ch. 19 - Prob. 3CQCh. 19 - You need to raise the temperature of a gas by...Ch. 19 - Prob. 5CQCh. 19 - Prob. 6CQCh. 19 - FIGURE Q19.7 shows two different processes taking...Ch. 19 - FIGURE Q19.8 shows two different processes taking...Ch. 19 - The gas cylinder in FIGURE Q19.9 is a rigid...Ch. 19 - The gas cylinder in FIGURE Q19.10 is well...
Ch. 19 - The gas cylinder in FIGURE Q19.11 is well...Ch. 19 - How much work is done on the gas in the process...Ch. 19 - Prob. 2EAPCh. 19 - Prob. 3EAPCh. 19 - A 2000 cm3 container holds 0.10 mol of helium gas...Ch. 19 - Prob. 5EAPCh. 19 - Prob. 6EAPCh. 19 - Draw a first-law bar chart (see Figure 19.12) for...Ch. 19 - Draw a first-law bar chart (see Figure 19.12) for...Ch. 19 - 9. Draw a first-law bar chart (see Figure 19.12)...Ch. 19 - Prob. 10EAPCh. 19 - J of work are done on a system in a process that...Ch. 19 - How much heat energy must be added to a...Ch. 19 - Prob. 13EAPCh. 19 - Prob. 14EAPCh. 19 - Prob. 15EAPCh. 19 - Prob. 16EAPCh. 19 - One way you keep from overheating is by...Ch. 19 - Prob. 18EAPCh. 19 - Two cars collide head-on while each is traveling...Ch. 19 - An experiment measures the temperature of a 500 g...Ch. 19 - 30 g of copper pellets are removed from a 300°C...Ch. 19 - A 750 g aluminum pan is removed from the stove and...Ch. 19 - A 50.0 g thermometer is used to measure the...Ch. 19 - A 500 g metal sphere is heated to 300°C, then...Ch. 19 - A 65 cm3 block of iron is removed from an 800°C...Ch. 19 - Prob. 26EAPCh. 19 - A container holds 1.0 g of oxygen at a pressure of...Ch. 19 - The volume of a gas is halved during an adiabatic...Ch. 19 - Prob. 29EAPCh. 19 - Prob. 30EAPCh. 19 - Prob. 31EAPCh. 19 - Prob. 32EAPCh. 19 - Prob. 33EAPCh. 19 - Prob. 34EAPCh. 19 - Prob. 35EAPCh. 19 - What maximum power can be radiated by a...Ch. 19 - Radiation from the head is a major source of heat...Ch. 19 - Prob. 38EAPCh. 19 - Prob. 39EAPCh. 19 - Prob. 40EAPCh. 19 - Prob. 41EAPCh. 19 - Prob. 42EAPCh. 19 - Prob. 43EAPCh. 19 - The specific heat of most solids is nearly...Ch. 19 - Prob. 45EAPCh. 19 - Prob. 46EAPCh. 19 - Prob. 47EAPCh. 19 - Prob. 48EAPCh. 19 - .0 mol of gas are at 30°C and a pressure of 1.5...Ch. 19 - A 6.0-cm-diameter cylinder of nitrogen gas has a...Ch. 19 - Prob. 51EAPCh. 19 - An ideal-gas process is described by p = cV 1/2 ,...Ch. 19 - Prob. 53EAPCh. 19 - Prob. 54EAPCh. 19 - Prob. 55EAPCh. 19 - Prob. 56EAPCh. 19 - Prob. 57EAPCh. 19 - .10 mol of nitrogen gas follow the two processes...Ch. 19 - Prob. 59EAPCh. 19 - Prob. 60EAPCh. 19 - Prob. 61EAPCh. 19 - Prob. 62EAPCh. 19 - Prob. 63EAPCh. 19 - Prob. 64EAPCh. 19 - Prob. 65EAPCh. 19 - Prob. 66EAPCh. 19 - Prob. 67EAPCh. 19 - Prob. 68EAPCh. 19 - Prob. 69EAPCh. 19 - A cylindrical copper rod and an iron rod with...Ch. 19 - Prob. 71EAPCh. 19 - Prob. 72EAPCh. 19 - Prob. 73EAPCh. 19 - Prob. 74EAPCh. 19 - Prob. 75EAPCh. 19 - Prob. 76EAPCh. 19 - Prob. 77EAPCh. 19 - Prob. 78EAPCh. 19 - Prob. 79EAPCh. 19 - Prob. 80EAPCh. 19 - Prob. 81EAPCh. 19 - Prob. 82EAP
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
- If the average kinetic energy of the molecules in an ideal gas initially at 20C doubles, what is the final temperature of the gas? (5.6) (a) 10C (b) 40C (c) 313C (d) 586Carrow_forwardA hollow aluminum cylinder 20.0 cm deep has an internal capacity of 2.000 L at 20.0C. It is completely filled with turpentine at 20.0C. The turpentine and the aluminum cylinder are then slowly warmed together to 80.0C. (a) How much turpentine overflows? (b) What is the volume of the turpentine remaining in the cylinder at 80.0C? (c) If the combination with this amount of turpentine is then cooled back to 20.0C, how far below the cylinders rim does the turpentines surface recede?arrow_forwardTwo concrete spans that form a bridge of length L are placed end to end so that no room is allowed for expansion (Fig. P16.63a). If a temperature increase of T occurs, what is the height y to which the spans rise when they buckle (Fig. P16.63b)?arrow_forward
- A spherical shell has inner radius 3.00 cm and outer radius 7.00 cm. It is made of material with thermal conductivity k = 0.800 W/m C. The interior is maintained at temperature 5C and the exterior at 40C. After an interval of time, the shell reaches a steady state with the temperature at each point within it remaining constant in time. (a) Explain why the rate of energy transfer P must be the same through each spherical surface, of radius r, within the shell and must satisfy dTdr=P4kr2 (b) Next, prove that 5dT=P4k0.030.07r2dr where T is in degrees Celsius and r is in meters. (c) Find the rate of energy transfer through the shell. (d) Prove that 5TdT=1.840.03rr2dr where T is in degrees Celsius and r is in meters. (e) Find the temperature within the shell as a function of radius. (f) Find the temperature at r = 5.00 cm, halfway through the shell.arrow_forwardA spherical brass shell has an interior volume of 1.96 x 103 m³. Within this interior volume is a solid steel ball that have a volume of 0.54 x 10³ m³. The space between the steel ball and the inner surface of the brass shell is filled completely with mercury. A small hole is drilled through the brass, and the temperature of the arrangement in increased by 28 C°. What is the volume of mercury that spills out of the hole? Steel ball Brass shell Mercuryarrow_forwardA 12 cm -diameter cylinder contains argon gas at 10 atm pressure and a temperature of 60 ∘C . A piston can slide in and out of the cylinder. The cylinder's initial length is 23 cm . 2600 J of heat are transferred to the gas, causing the gas to expand at constant pressure. What is the final temperature of the cylinder? What is the final length of the cylinder?arrow_forward
- At 15°C, a rod is exactly 23.35 cm long on a steel ruler. Both the rod and the ruler are placed in an oven at 250°C, where the rod now measures 23.47 cm on the same ruler. What is the coefficient of thermal expansion for the material of which the rod is made? The linear expansion coefficient of steel is 11 x 10-6 1/C°.arrow_forwardRod 1, with a thermal conductivity of 425 W/m-K. rod 2. with a thermal conductivity of 219 W/m-K, and rod 3, with a thermal conductivity of 112 W/m-K, are placed end to end with rod 2 between the other two. The rods have the same length and the same diameter. The free end of rod 1 is maintained at water's boiling point, and the free end of rod 3 is maintained at water's freezing point. What is the steady-state temperature of (a) the rod 1-rod 2 junction and (b) the rod 2-rod 3 junction? (a) Number Units (b) Number Unitsarrow_forwardA 50.0-cm long steel rod has a diameter of 2.00 cm. One end of the rod is kept at 100°C and the other end is kept at 0°C. What is the rate of heat flow through the length of the rod? ksteel = 50.2 W/mco O 200 W O 12.6 W 3.15 W O 50 Warrow_forward
- At 16°C, a rod is exactly 19.82 cm long on a steel ruler. Both the rod and the ruler are placed in an oven at 230°C, where the rod now measures 20.06 cm on the same ruler. What is the coefficient of thermal expansion for the material of which the rod is made? The linear expansion coefficient of steel is 11 x 10-6 1/C°. Number Unitsarrow_forwardQuestion 3: At a particle accelerator facility, a 16000kg detector is to be installed on top of four aluminum legs, each with cross sectional area 0.001m?. The legs are fabricated at 20°C to a height of 0.10000m. After the detector is in place, the scientists adjust the temperature of the legs in order to compensate for the compression due to the weight of the detector. If they would like the final height of the legs to be 0.10000m, what should be the temperature of the legs? For aluminum, Y = 7×101º, a = 2.4×105 %3Darrow_forwardA steel rod is 2.500cm in diameter at 27°C. A brass ring bar has an inner diameter of 2.498 cm at the same temperature. At what common temperature will the ring just slide onto the rod?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- College PhysicsPhysicsISBN:9781305952300Author:Raymond A. Serway, Chris VuillePublisher:Cengage LearningCollege PhysicsPhysicsISBN:9781285737027Author:Raymond A. Serway, Chris VuillePublisher:Cengage LearningPhysics for Scientists and Engineers: Foundations...PhysicsISBN:9781133939146Author:Katz, Debora M.Publisher:Cengage Learning
- Physics for Scientists and EngineersPhysicsISBN:9781337553278Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningPhysics for Scientists and Engineers with Modern ...PhysicsISBN:9781337553292Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningPrinciples of Physics: A Calculus-Based TextPhysicsISBN:9781133104261Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
College Physics
Physics
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Cengage Learning
College Physics
Physics
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Cengage Learning
Physics for Scientists and Engineers: Foundations...
Physics
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Cengage Learning
Physics for Scientists and Engineers
Physics
ISBN:9781337553278
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Physics for Scientists and Engineers with Modern ...
Physics
ISBN:9781337553292
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Principles of Physics: A Calculus-Based Text
Physics
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Heat Transfer: Crash Course Engineering #14; Author: CrashCourse;https://www.youtube.com/watch?v=YK7G6l_K6sA;License: Standard YouTube License, CC-BY