Question

A steel ring with a 2.5000-in. inside diameter at 20.0 ?C is to be warmed and...

A steel ring with a 2.5000-in. inside diameter at 20.0 ?C is to be warmed and slipped over a brass shaft with a 2.5020 in. outside diameter at 20.0 ?C.

Part A)

To what temperature should the ring be warmed?

Part B)

f the ring and the shaft together are cooled by some means such as liquid air, at what temperature will the ring just slip off the shaft?

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