Question: A 70-lbm copper block initially at 250F is dropped into an insulated tank that contains 1.5 ft3 of water at 75F. Determine (a) The final

A 70-lbm copper block initially at 250°F is dropped into an insulated tank that contains 1.5 ft3 of water at 75°F. Determine
(a) The final equilibrium temperature and
(b) The work potential wasted during this process. Assume the surroundings to be at 75°F.

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