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A bar of lead (bar A) is in thermal contact with a bar of copper (bar B) of the same length and area (see the figure below). One end of the
compound bar is maintained at T, = 87.5°C, and the opposite end is at 30.0°C. Find the temperature at the junction when the energy flow
reaches a steady state.
°C
A
Insulation
В
30.0°C

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