College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter11: Energy In Thermal Processes
Section: Chapter Questions
Problem 52P: A granite ball of radius 2.00 m and emissivity 0.450 is heated to 135C. (a) Convert the given...
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Question
(Lo)s=Original length of steel=Lo+0.0010L0=1.001Lo
(Lo = Intial length)
I just need this broken down on how it got the answer of 1.001Lo
![*22. CD As the drawing shows,
Steel
two thin strips of metal are
bolted together at one end;
both have the same tempera-
ture. One is steel, and the other is aluminum. The steel strip is 0.10%
longer than the aluminum strip. By how much should the temperature of
the strips be increased, so that the strips have the same length?
Aluminum](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fdf6a1fa3-94c0-4ba9-ba3d-dd7aaa1a6b05%2F3f01b8ad-56b1-4e2f-9122-4472507dd3a5%2Fervawx_processed.png&w=3840&q=75)
Transcribed Image Text:*22. CD As the drawing shows,
Steel
two thin strips of metal are
bolted together at one end;
both have the same tempera-
ture. One is steel, and the other is aluminum. The steel strip is 0.10%
longer than the aluminum strip. By how much should the temperature of
the strips be increased, so that the strips have the same length?
Aluminum
![Step 1
(Lo), = Original length of steel = Lo + 0.0010L0 = 1.001L0
a, = Linear thermal coefficient of steel = 12 x 10-6 °C
aAI = Linear thermal coefficient of aluminum = 23 x 10-6 /°C
AT = Change in termperature of both strips](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fdf6a1fa3-94c0-4ba9-ba3d-dd7aaa1a6b05%2F3f01b8ad-56b1-4e2f-9122-4472507dd3a5%2Feva05e_processed.png&w=3840&q=75)
Transcribed Image Text:Step 1
(Lo), = Original length of steel = Lo + 0.0010L0 = 1.001L0
a, = Linear thermal coefficient of steel = 12 x 10-6 °C
aAI = Linear thermal coefficient of aluminum = 23 x 10-6 /°C
AT = Change in termperature of both strips
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