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Unformatted text preview: The system is heated to 120 ◦ C . Calculate the resulting stress in the wire, assuming that the rod expands freely. aluminum rod wire 3. A steel rod is 3 . 000 cm in diameter at 25 ◦ C . A brass ring has an interior diameter of 2 . 992 cm at 25 ◦ C . At what common temperature will the ring just slide onto the rod? 4. A grandfather’s clock is calibrated at a temperature of 20 ◦ C . The pendulum is a thin brass rod with a heavy mass attached to the end. On a hot day, when the temperature is 30 ◦ C does the clock “run” fast or slow? How much time does it gain or lose in a 24 hour period? 1...
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This note was uploaded on 07/20/2009 for the course PHYS physics 10 taught by Professor Goatman during the Spring '08 term at UBC.
- Spring '08