Two identical metal rods of rectangular cross-section are welded end-to-end as shown in pa of the figure below. 10 J of heat flows through the rods in 2 min. How long would it take f to flow through the rods if they were welded as shown in panel (b) of the figure below? 0 °C (a) 100 °C

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Q: An aluminum cup contains 225 g of water and a 40-g copper stirrer, all at 27°C. A 450-g sample of…

A: Let the mass of aluminium cup is mAl Mass of water is mw = 225 g = 0.225 Kg Mass of copper is mcu =…