Referring to the copper ring in the previous problem, imagine that initially the ring is hotter than
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Referring to the copper ring in the previous problem, imagine that initially the ring is hotter than room temperature, and that an aluminum rod that is colder than room temperature fits snugly inside the ring. When this system reaches thermal equilibrium at room temperature, is the rod firmly wedged in the ring (A) or can it be removed easily (B)?
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