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Air at 20°C and 1 atm flows over a spherical object at 1 m/s. The sphere...

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Mechanical Engineering

Air at 20°C and 1 atm flows over a spherical object at 1 m/s.The sphere has a diameter of 10mm and its initial temperature is134°C. If the density, specific heat, and conductivity of thesphere are 7832 kg/m”, 549 J/kg.K, and 49.2 W/m.K, respectively,calculate the temperature at the center of the sphere after 100seconds.

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