A copper ball of mass 100gm is at a temperature T. It is dropped in a copper calorimeter of mass 100gm,
filled with 170gm of water at room temperature. Subsequently, the temperature of the system is found to
be 75°C. T is given by
a) 1250°C
b) 825°C
c) 800°C
d) 885°C
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Answer:
your answer is d) 885°C