Multiple-Concept Example 4 reviews the concepts that are involved in this problem. A ruler is accurate when the temperature is 28.7 °C. When the temperature drops to-10.7 °C, the ruler shrinks and no longer measures distances accurately. However, the ruler can be made to read correctly if a force of magnitude 1.88 x 10° N is applied to each end so as to stretch it back to its original length. The ruler has a cross-sectional area of 1.89 x 105 m2, and it is made from a material whose coefficient of linear expansion is 2.5 x 10 5 (C°) 1. What is Young's modulus for the material from which the ruler is made?
Multiple-Concept Example 4 reviews the concepts that are involved in this problem. A ruler is accurate when the temperature is 28.7 °C. When the temperature drops to-10.7 °C, the ruler shrinks and no longer measures distances accurately. However, the ruler can be made to read correctly if a force of magnitude 1.88 x 10° N is applied to each end so as to stretch it back to its original length. The ruler has a cross-sectional area of 1.89 x 105 m2, and it is made from a material whose coefficient of linear expansion is 2.5 x 10 5 (C°) 1. What is Young's modulus for the material from which the ruler is made?
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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Transcribed Image Text:Multiple-Concept Example 4 reviews the concepts that are involved in this problem. A ruler is accurate when the temperature is
28.7 °C. When the temperature drops to-10.7 °C, the ruler shrinks and no longer measures distances accurately. However, the ruler
can be made to read correctly if a force of magnitude 1.88 x 10° N is applied to each end so as to stretch it back to its original length.
The ruler has a cross-sectional area of 1.89 x 10 m2, and it is made from a material whose coefficient of linear expansion is 2.5 x 10
P(C°)1. What is Young's modulus for the material from which the ruler is made?
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