Question: A 70-lbm copper block initially at 220F is dropped into an insulated tank that contains 1.2 ft3 of water at 65F. Determine (a) The final

A 70-lbm copper block initially at 220°F is dropped into an insulated tank that contains 1.2 ft3 of water at 65°F. Determine
(a) The final equilibrium temperature and
(b) The work potential wasted during this process. Assume the surroundings to be at 65°F.

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