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Expanding Annulus (Posted on 2019-02-26) Difficulty: 2 of 5
A metal annulus of radius R has a hole inside of radius r.

As the annulus thermally expands, R increases, but what happens to r?

No Solution Yet Submitted by Danish Ahmed Khan    
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  Subject Author Date
Click hereLily Ward2021-03-02 07:29:36
the whole truthSteven Lord2019-02-26 12:07:43
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