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In The Hobbit: The Desolation of Smaug, a large quantity of gold is quickly heated up from room temperature and molten inside furnaces, then poured
In The Hobbit: The Desolation of Smaug, a large quantity of gold is quickly heated up from room temperature and molten inside furnaces, then poured into a large statue cast. Assume: The statue is a cylinder of height 18m and radius 3m. (Vcylinder = r2h) Room temperature is 20C. Heating and melting takes 10 minutes. Once molten, the gold stays at the melting temperature. Estimate the power of the furnaces. Density: 19.3103 kg/m3 Melting temperature: 1063C Latent heat of fusion: 6.44104 J/kg Specific heat: 129 J/(kg.C)
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