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[0.3kg" of hot coffee,which is at "70^(@...

[0.3kg" of hot coffee,which is at "70^(@)C," is poured into "],[" a cup of mass "0.12kg" .Find the final equilibrium "],[" temperature.Take room temperature as "20^(@)C" ."],[(s_(" coffee ")=4080J/kg-K" and "s_(" cup ")=1020J/kg-K" .) "],[[" (a) "45.5^(@)C," (b) "55.5^(@)C],[" (c) "65.5^(@)C," (d) "40.5^(@)C]]

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