A block of ice is kept pressed against one end of a circular copper bar of diameter 2 cm, length 20 cm, thermal conductivity 90 SI units and the other end is kept at 100°C by means of a steam chamber. How long will it take to melt 50 g of ice assuming heat is only supplied to the ice along the bar, L = 8x10^4 cal/kg.![]() |
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