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A calorimeter of mass 0.2 kg and specific heat 900 J/kg-K.Containing 0.5 kg of a liquid of specific heat 2400J /kg-K. Its temperature falls from 60°C to 55°C in one minute.Find the rate of cooling.(a) 5 J/s(b) 15 J/s(c) 100 J/s(d) 115 J/s |
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