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. To what temperature should the ring be warmed?Express your answer in Celsius degrees to two significant figures.?T =°CSubmitRequest AnswerPart BIf 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?Express your answer in Celsius degrees to two significant figures.T =°CSubmitPrevious Answers Request Answer

Given in the question Initial diameter of the steel ring d0S = 2.5000 in Coefficient of thermal…

Answered: A steel ring with a 2.5000 in. inside…

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A steel ring with a 2.5000-in. inside diameter at 20oC is to be warmed and slipped over a brass shaft with a 2.5020-in. outside diameter at 20oC. (a) to what temperature should the ring be warmed? (b) if 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?
The frames for a pair of eyeglasses have a radius of 2.14 cm at 20.0°C. Lenses with radius of 2.15 cm have to be inserted into these frames. To what temperature must the technician heat the frames to accommodate the lenses? The frames are made of a material whose thermal expansion coefficient is 1.30 10-4/°C.
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