The author’s gold wedding ring is stuck on his finger, and he must remove it. The ring has an inside diameter of 2.00 cm, but the knuckle of the finger in question has a diameter of 2.05 cm. The author decides to get the ring off by heating it. How much must the temperature of the ring be increased for it to slide past the knuckle? Assume the author’s finger does not change size when it is heated.
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