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2. One end of an iron poker is placed in a fire at 502 °C. The other end is 26°C. The poker is 1.2 m long and has a 5 mm radius.

2. One end of an iron poker is placed in a fire at 502 °C. The other end is 26°C. The poker is 1.2 m long and has a 5 mm radius. What is the cross sectional area? Metal Copper Gold Aluminum Iron Bronze Stainless steel Thermal conductivity 390 316 220 80 45 15 What is the rate of heat transfer? 3. Answer question 2 using aluminum instead of iron. How much heat is conducted in 6 seconds?

2. One end of an iron poker is placed in a fire at 502 °C. The other end is 26°C. The poker is 1.2 m long and has a 5 mm radius. What is the cross sectional area? Metal Copper Gold Aluminum Iron Bronze Stainless steel Thermal conductivity 390 316 220 80 45 15 What is the rate of heat transfer? 3. Answer question 2 using aluminum instead of iron. How much heat is conducted in 6 seconds?

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