A rod has a cross-sectional area of 25 cm². One end of the rod is heated until a steady state of heat conduction was established. The unheated end of the rod is in contact with 525 g of water. The temperature of water increases by 1 C after 3.0 min. (a) At what rate is heat transferred by conduction? It was found out that the temperatures between two points in the rod differs by 2 C°. The two points are 12.5 cm apart. (b) What is the thermal conductivity of the rod?
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