What is the temperature at the interface between A and B? How much heat passes the interface between A and B in 6.0 s?

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter16: Temperature And The Kinetic Theory Of Gases
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Problem 64P: Two concrete spans that form a bridge of length L are placed end to end so that no room is allowed...
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What is the temperature at the interface between A and B?

How much heat passes the interface between A and B in 6.0 s?

Two bars, A and B, each of length 2.0 m and cross sectional area 1.0 m2, are placed end to end as shown in the figure.
B
373 K
273 K
The thermal conductivities of the bars are
kA = 439 J/(s x m x K) and kp = 887 J/(s x m x K), respectively. The left end of bar A is maintained at 373 K while the right end of B is maintained at 273 K.
Transcribed Image Text:Two bars, A and B, each of length 2.0 m and cross sectional area 1.0 m2, are placed end to end as shown in the figure. B 373 K 273 K The thermal conductivities of the bars are kA = 439 J/(s x m x K) and kp = 887 J/(s x m x K), respectively. The left end of bar A is maintained at 373 K while the right end of B is maintained at 273 K.
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