A metal plate 1 m long, 1 m wide and 1 cm thick (k 180 kg .K,p = 2800 , Cp = 880. K) has an initial temperature of 20°C. The metal plate is then heated in an oven at a constant m m3 kg temperature of 800°C and convection coefficient of 200. K for 2 minutes. How the final W m2 temperature of metal plate ?

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