ch18-p070 - 70. Let mw = 14 kg, mc = 3.6 kg, mm = 1.8 kg,...

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70. Let m w = 14 kg, m c = 3.6 kg, m m = 1.8 kg, T i 1 = 180°C, T i 2 = 16.0°C, and T f = 18.0°C. The specific heat c m of the metal then satisfies () ()() 21 0 w w c mfi m m fi m cm cTT m c TT +− + = which we solve for c m : ( ) ( ) ( ) 2 14kg 4.18kJ/kg K 16.0 C 18.0 C (3.6kg) 18.0 C 16.0 C
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