Question: A brass ring with inner diameter 2.00 cm and outer diameter 3.00 cm needs to fit over a 2.00-cm-diameter steel rod, but at 20C the

A brass ring with inner diameter 2.00 cm and outer diameter 3.00 cm needs to fit over a 2.00-cm-diameter steel rod, but at 20°C the hole through the brass ring is 50 mm too small in diameter. To what temperature, in °C, must the rod and ring be heated so that the ring just barely slips over the rod?

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