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A copper rod of length 0.500 m and cross-sectional area 5.30 × 10−2 cm2 is connected to an iron rod with the same cross section and length 0.250 m. One end of the copper is immersed in boiling water and the other end is at the junction with the iron. If the far end of the iron rod is in an ice bath at 0°C, find the rate of heat transfer passing from the boiling water to the ice bath. Assume there is no heat loss to the surrounding air. The thermal conductivity of copper is 401 W/m·K and iron is 80.2 W/m·K.

A copper rod of length 0.500 m and cross-sectional area 5.30 × 10−2 cm2 is connected to an iron rod with the same cross section and length 0.250 m. One end of the copper is immersed in boiling water and the other end is at the junction with the iron. If the far end of the iron rod is in an ice bath at 0°C, find the rate of heat transfer passing from the boiling water to the ice bath. Assume there is no heat loss to the surrounding air. The thermal conductivity of copper is 401 W/m·K and iron is 80.2 W/m·K.

Physics for Scientists and Engineers: Foundations and Connections
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter21: Heat And The First Law Of Thermodynamics
Section: Chapter Questions
Problem 21PQ
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A copper rod of length 0.500 m and cross-sectional area 5.30 × 10−2 cm2 is connected to an iron rod with the same cross section and length 0.250 m. One end of the copper is immersed in boiling water and the other end is at the junction with the iron. If the far end of the iron rod is in an ice bath at 0°C, find the rate of heat transfer passing from the boiling water to the ice bath. Assume there is no heat loss to the surrounding air. The thermal conductivity of copper is 401 W/m·K and iron is 80.2 W/m·K.

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