Physics for Scientists and Engineers with Modern, Revised Hybrid (with Enhanced WebAssign Printed Access Card for Physics, Multi-Term Courses)
9th Edition
ISBN: 9781305266292
Author: Raymond A. Serway, John W. Jewett
Publisher: Cengage Learning
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Chapter 19, Problem 14P
To determine
The increase in length.
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Each year thousands of children are badly burned by hot tap water. The figure below shows a cross-sectional view of an antiscalding faucet attachment designed to prevent such accidents. Within the device, a spring made of material with a high coefficient of thermal expansion controls a movable plunger. When the water temperature rises above a preset safe value, the expansion of the spring causes the plunger to shut off the water flow. Assuming that the initial length L of the unstressed spring is 2.05 cm and its coefficient of linear expansion is 22 ✕ 10-6 (°C)-1, determine the increase in length of the spring when the water temperature rises by 35.0°C
The electric heating systems used in many houses consist of a simple duct with resistance heaters. Air is heated as it flows over resistance wires. Consider a 15-kW electric heating system. Air enters the heating section at 100 kPa and 17°C with a volume flow rate of 150 m3/min. If heat is lost from the air in the duct to the surroundings at a rate of 200 W, determine the exit temperature of air.
A pressure versus volume (pV) diagram for a system is shown
in the figure. The arrows of the curve indicate the direction of
1
the process, and the points of interest are labeled. The values
for the points in the diagram are shown in the table.
Volume (m³)
Pressure (Pa)
Vo = 25.8
Po = 1.00 × 104
3
Vị = 20.8
Pi =
1.00 x 104
V2
17.4
5.34 x 103
V3 = 13.9
Рз 3D 5.34 х 103
%3D
V4
13.9
P4
3.20 x 103
Vs = 9.55
Ps 3D 1.00 х 103
Calculate the amount of work done on the system from 0-2(
Wo2) and then for the entire curve from 0-5 (Wo5).
Volume (m³)
79.81 x103
Wo2
Incorrect
107.09 x103
Wos
Incorrect
Pressure (Pa)
Chapter 19 Solutions
Physics for Scientists and Engineers with Modern, Revised Hybrid (with Enhanced WebAssign Printed Access Card for Physics, Multi-Term Courses)
Ch. 19.1 - Prob. 19.1QQCh. 19.3 - Consider the following pairs of materials. Which...Ch. 19.4 - If you are asked to make a very sensitive glass...Ch. 19.4 - Prob. 19.4QQCh. 19.5 - A common material for cushioning objects in...Ch. 19.5 - On a winter day, you turn on your furnace and the...Ch. 19 - Prob. 1OQCh. 19 - Prob. 2OQCh. 19 - Prob. 3OQCh. 19 - Prob. 4OQ
Ch. 19 - Prob. 5OQCh. 19 - Prob. 6OQCh. 19 - Prob. 7OQCh. 19 - Prob. 8OQCh. 19 - Prob. 9OQCh. 19 - Prob. 10OQCh. 19 - Prob. 11OQCh. 19 - Prob. 12OQCh. 19 - Prob. 13OQCh. 19 - Prob. 14OQCh. 19 - Prob. 1CQCh. 19 - Prob. 2CQCh. 19 - Prob. 3CQCh. 19 - Prob. 4CQCh. 19 - Prob. 5CQCh. 19 - Metal lids on glass jars can often be loosened by...Ch. 19 - Prob. 7CQCh. 19 - Prob. 8CQCh. 19 - Prob. 9CQCh. 19 - Prob. 10CQCh. 19 - Prob. 1PCh. 19 - Prob. 2PCh. 19 - Prob. 3PCh. 19 - Prob. 4PCh. 19 - Liquid nitrogen has a boiling point of 195.81C at...Ch. 19 - Prob. 6PCh. 19 - Prob. 7PCh. 19 - Prob. 8PCh. 19 - Prob. 9PCh. 19 - Prob. 10PCh. 19 - A copper telephone wire has essentially no sag...Ch. 19 - Prob. 12PCh. 19 - The Trans-Alaska pipeline is 1 300 km long,...Ch. 19 - Prob. 14PCh. 19 - Prob. 15PCh. 19 - Prob. 16PCh. 19 - Prob. 17PCh. 19 - Why is the following situation impossible? A thin...Ch. 19 - A volumetric flask made of Pyrex is calibrated at...Ch. 19 - Review. On a day that the temperature is 20.0C, a...Ch. 19 - Prob. 21PCh. 19 - Prob. 22PCh. 19 - Prob. 23PCh. 19 - Prob. 24PCh. 19 - Prob. 25PCh. 19 - Prob. 26PCh. 19 - Prob. 27PCh. 19 - Prob. 28PCh. 19 - Prob. 29PCh. 19 - Prob. 30PCh. 19 - An auditorium has dimensions 10.0 m 20.0 m 30.0...Ch. 19 - Prob. 32PCh. 19 - Prob. 33PCh. 19 - Prob. 34PCh. 19 - Prob. 35PCh. 19 - In state-of-the-art vacuum systems, pressures as...Ch. 19 - Prob. 37PCh. 19 - Prob. 38PCh. 19 - Prob. 39PCh. 19 - Prob. 40PCh. 19 - Prob. 41PCh. 19 - Prob. 42PCh. 19 - Prob. 43PCh. 19 - The pressure gauge on a cylinder of gas registers...Ch. 19 - Prob. 45APCh. 19 - Prob. 46APCh. 19 - Prob. 47APCh. 19 - Prob. 48APCh. 19 - Prob. 49APCh. 19 - Why is the following situation impossible? An...Ch. 19 - Prob. 51APCh. 19 - Prob. 52APCh. 19 - Prob. 53APCh. 19 - Prob. 54APCh. 19 - A student measures the length of a brass rod with...Ch. 19 - Prob. 56APCh. 19 - A liquid has a density . (a) Show that the...Ch. 19 - Prob. 59APCh. 19 - Prob. 60APCh. 19 - The rectangular plate shown in Figure P19.61 has...Ch. 19 - Prob. 62APCh. 19 - Prob. 63APCh. 19 - Prob. 64APCh. 19 - Prob. 65APCh. 19 - Prob. 66APCh. 19 - Prob. 67APCh. 19 - Prob. 68APCh. 19 - Prob. 69APCh. 19 - Prob. 70APCh. 19 - Prob. 71APCh. 19 - Prob. 72CPCh. 19 - Prob. 73CPCh. 19 - Prob. 74CPCh. 19 - Prob. 75CPCh. 19 - Prob. 76CPCh. 19 - Prob. 77CPCh. 19 - Prob. 78CPCh. 19 - A 1.00-km steel railroad rail is fastened securely...
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