Figure (26-E1) shows a paddle wheel coupled to a massof 12 kg through fixed frictionless pulleys. The paddle isimmersed in a liquid of heat capacity 4200 J K keptin an adiabatic container. Consider a time interval inwhich the 12 kg block falls slowly through 70 cm(a) How much heat is given to the liquid? (b) How muchwork is done on the liquid? (c) Calculate the rise in thetemperature of the liquid neglecting the heat capacityof the container and the paddle.12 kg

Figure (26-E1) shows a paddle wheel coupled to a massof 12 kg through

1.	Figure (26-E1) shows a paddle wheel coupled to a massof 12 kg through fixed frictionless pulleys. The paddle isimmersed in a liquid of heat capacity 4200 J K keptin an adiabatic container. Consider a time interval inwhich the 12 kg block falls slowly through 70 cm(a) How much heat is given to the liquid? (b) How muchwork is done on the liquid? (c) Calculate the rise in thetemperature of the liquid neglecting the heat capacityof the container and the paddle.12 kg
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