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An aluminum rod is 20 cm long and a steel rod is 80 cm long when both rods are at a temperature of 15°C. Both rods have the same diameter. The rods are joined end-to-end to form a rod 100 cm long. The coefficients of linear expansion of aluminum and steel are 2.4 x 10 K and 1.2 x 10 K, respectively. The temperature is raised to 85 C. The increase in the length of the joined rod, in mm, is closest to:

An aluminum rod is 20 cm long and a steel rod is 80 cm long when both rods are at a temperature of 15°C. Both rods have the same diameter. The rods are joined end-to-end to form a rod 100 cm long. The coefficients of linear expansion of aluminum and steel are 2.4 x 10 K and 1.2 x 10 K, respectively. The temperature is raised to 85 C. The increase in the length of the joined rod, in mm, is closest to:

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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An aluminum rod is 20 cm long and a steel rod is 80 cm long when both rods are at a temperature of 15°C. Both rods have the same diameter. The rods are joined end-to-end to form a rod 100 cm long. The coefficients of linear expansion of aluminum and steel are \(2.4 \times 10^{-5} \, \text{K}^{-1}\) and \(1.2 \times 10^{-5} \, \text{K}^{-1}\), respectively. The temperature is raised to 85°C. The increase in the length of the joined rod, in mm, is closest to: - 0.81 - 1.0 - 1.2 - 1.4 - 0.60 Options are provided for the user to select the correct answer. **Graph/Diagram Description:** There are no graphs or diagrams in this image.
Transcribed Image Text:An aluminum rod is 20 cm long and a steel rod is 80 cm long when both rods are at a temperature of 15°C. Both rods have the same diameter. The rods are joined end-to-end to form a rod 100 cm long. The coefficients of linear expansion of aluminum and steel are \(2.4 \times 10^{-5} \, \text{K}^{-1}\) and \(1.2 \times 10^{-5} \, \text{K}^{-1}\), respectively. The temperature is raised to 85°C. The increase in the length of the joined rod, in mm, is closest to: - 0.81 - 1.0 - 1.2 - 1.4 - 0.60 Options are provided for the user to select the correct answer. **Graph/Diagram Description:** There are no graphs or diagrams in this image.
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