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mikael mikael
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Posts: 12017
9 years ago

 
A heat conducting rod,  1.50 m long, is made of an aluminum section,  0.70 m long, and a copper section, 0.80m long. Both sections have a cross-sectional area of 0.0004m2. The aluminum end and the copper end are maintained at temperatures of 50°C and 300°C , respectively. The thermal conductivities of aluminum and copper are 205 and 385 W/m · K, respectively. The temperature of the aluminum-copper junction in the rod, in °C, is closest to: 
A)
 
210 
B)
 
200 
C)
 
190 
D)
 
180 
E)
 
170 
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padrepadre
wrote...
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Posts: 21608
9 years ago
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mikael Author
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Donated
9 years ago
Thanks for helping me on my physics homework
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