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We want to transport 5 Tons of apples over a long distance, so they must be kept refrigerated at 8 deg C . If

We want to transport 5 Tons of apples over a long distance, so they must be kept refrigerated at 8\\deg C. If we consider the apples as spheres with an average size of 8 cm in diameter, determine the time it will take for the apples to cool if their initial temperature is 32\\deg C and the refrigerated chamber has a temperature of 5\\deg C and a convective coefficient of 500. W/m2K. Properties: Density: 840 kg/m3, Cp: 3.81KJ/kg K, k:0.418kW/m\\deg C

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