One end of an iron poker is placed in a fire where the temperature is 496C, and the other end is kept at a temperature of 25C. The poker is 1.2 m...

One end of an iron poker is placed in a fire where the temperature is 496°C, and the other end is kept at a temperature of 25°C. The poker is 1.2 m long and has a radius of 5.0 10-3 m. Ignoring the heat lost along the length of the poker, find the amount of heat conducted from one end of the poker to the other in 4.0 s.