Consider a sphere of mass 1.8 kg with the following properties k=0.45 W/m°C, a = 0.13 x 106 m²is, and p = 950 kg/m³. The initial temperature of the sphere is 16°C. The sphere is dropped in a solution at -10°C with convective heat transfer coefficient 450 Wim2K. What would be the temperature at the center of sphere 3 hours after it is dropped in the solution? Attach File

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