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(Solved): Consider spheres (p=3000kg/m3,cp=850J/kgK,k=20W/mK) of 40mm diameter that are hea ...

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Consider spheres of diameter that are heated to a uniform temperature of , then suddenly removed from an oven and placed in a forced-air bath operating at with a corvection coefficient of 200 . Find the time, in seconds, the spheres must remain in the bath for of the thermal energy to be removed as well as the centerline temperature, in , at that time.

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