# physics

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 20°C, 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 )

1. 👍
2. 👎
3. 👁
4. ℹ️
5. 🚩
1. 437

1. 👍
2. 👎
3. ℹ️
4. 🚩

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