Physics, asked by RamKumar5876, 11 months ago

A metal ball of diameter 60 mm is initially at 220 . The ball is suddenly cooled by an air jet of 20 c. The heat transfer coefficient is 200 w/m .K. The specific heat, thermal conductivity and density of the metal ball are 400 j/kg.K, 400 w/m.K and 9000 kg/m , respectively

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Answered by arulfelix3

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141 from prist tanjore

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