A copper rod 85 cm long is used to poke a fire. The hot end of the rod is maintained at 115 °C and the cool end has a constant temperature of 22 °C. What is the temperature of the rod 25 cm from the cool end?

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Q: -20.0

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A: GivenTemperature at free end of copper,Tcu=100°CTemperature at far end of aluminium,…