Marc Attaches a Falling 328-Kg Object with a Rope Through

Multiple Choice

Marc attaches a falling 328-kg object with a rope through a pulley to a paddle wheel shaft.He places the system in a well-insulated tank holding 23.2 kg of water.When the object falls,it causes the paddle wheel to rotate and churn the water.If the object falls a vertical distance of 88.6 m at constant speed,what is the temperature change of the water? (1 kcal = 4 186 J,the specific heat of water is 4 186 J/kg⋅°C,and g = 9.80 m/s²)

A) 17 000 C°
B) 2 930 C°
C) 2.93 C°
D) 0.587 C°
E) 5.87 C°