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July 31, 2015

Homework Help: physics

Posted by Anonymous on Sunday, July 31, 2011 at 12:51pm.

At 20 degrees C an aluminum ring has an inner diameter of 5.000 cm, and a brass rod has a diameter of 5.050 cm. Keeping the brass rod at 20C, which of the following temperatures of the ring will allow the ring to just slip over the brass rod?
(Al = 2.4 105 /C, brass = 1.9 105/C )

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