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PROBLEM (a) A circular copper ring at 20.0°C has a hole with an area of 9.980 cm². What minimum temperature must it have so that it can be slipped onto a steel metal rod having a cross-sectional area of 10.000 cm²? (b) Suppose the ring and the rod are heated simultaneously. What minimum change in temperature of both will allow the ring to be slipped onto the end of the rod? (Assume no significant change in the coefficients of linear expansion over this temperature range.)

PROBLEM (a) A circular copper ring at 20.0°C has a hole with an area of 9.980 cm². What minimum temperature must it have so that it can be slipped onto a steel metal rod having a cross-sectional area of 10.000 cm²? (b) Suppose the ring and the rod are heated simultaneously. What minimum change in temperature of both will allow the ring to be slipped onto the end of the rod? (Assume no significant change in the coefficients of linear expansion over this temperature range.)

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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PROBLEM (a) A circular copper ring at 20.0°C has a hole with an area of 9.980 cm². What minimum temperature must it have so that it can be slipped onto a steel metal rod having a cross-sectional area of 10.000 cm²? (b) Suppose the ring and the rod are heated simultaneously. What minimum change in temperature of both will allow the ring to be slipped onto the end of the rod? (Assume no significant change in the coefficients of linear expansion over this temperature range.)
Transcribed Image Text:PROBLEM (a) A circular copper ring at 20.0°C has a hole with an area of 9.980 cm². What minimum temperature must it have so that it can be slipped onto a steel metal rod having a cross-sectional area of 10.000 cm²? (b) Suppose the ring and the rod are heated simultaneously. What minimum change in temperature of both will allow the ring to be slipped onto the end of the rod? (Assume no significant change in the coefficients of linear expansion over this temperature range.)
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