Question: A small copper block having a square bottom 2.5 by 2.5 cm and a vertical height of 5 cm cools in room air at 1

A small copper block having a square bottom 2.5 by 2.5 cm and a vertical height of 5 cm cools in room air at 1 atm and 15oC. The block is isothermal at 100oC. Calculate the heat-transfer rate.

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