A steel rod is 3.000cm in diameter at 25...

A steel rod is `3.000cm` in diameter at `25^(@)C`. A brass ring has an interior diameter of `2.9912cm` at `25^(@)C`. At what common temperature will the ring just slide onto the rod? `alpha_("brass")=18xx10^(-6)K^(-1)` and `alpha_("steel")=12xx10^(-6)K^(-1)`

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