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The environment is at 20 o C and there is a natural convection heat transfer coefficient of 10 W/m^2K around the outside of the sphere.

The environment is at 20C and there is a natural convection heat transfer coefficient of 10 W/m^2K around the outside of the sphere. 800 W/m^3 of heat is generated within a 10 cm diameter nickel-steel sphere for which K=10 W/mK. What is its center temperature at the steady-state?


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