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q.40 pg 62
A thermally insulated, closed copper vessel contains water at 15 deg C. When vessel is shaken for 15 minutes temp rises to 17 deg C.Mass of vessel is 100 g and mass of water is 200g.The specific heat cap for copper is 420 J/(kg-K) and for water is 4200 j/(kg-K).Neglect thermal expansion.
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