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An aluminum bar has the desired length when at 15°C. How

Physics: Principles with Applications | 6th Edition | ISBN: 9780130606204 | Authors: Douglas C. Giancoli ISBN: 9780130606204 3

Solution for problem 23P Chapter 13

Physics: Principles with Applications | 6th Edition

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Physics: Principles with Applications | 6th Edition | ISBN: 9780130606204 | Authors: Douglas C. Giancoli

Physics: Principles with Applications | 6th Edition

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Problem 23P

Problem 23P

An aluminum bar has the desired length when at 15°C. How much stress is required to keep it at this length if the temperature increases to 35°C?

Step-by-Step Solution:
Step 1 of 3

Solution 23PIntroductionPressure at a position that has a depth of hfrom the surface of water is given by P = hdg ,where d is the density of water and g is acceleration due to gravity.SolutionGiven that, h saltwater 0.80 mWe know that, density of saltwater d = 1030 kg/m 3 saltwater 3Density of freshwater river water d water= 1000 kg/mNow, pressure exerted by the cargo on both water types will be equal.Therefore, P water= P saltwaterh × d × g = h × d × g water water saltwater saltwaterh × 1000 kg/m 3 = 0.80 m × 1030 kg/m 3 waterh water = 0.824 mTherefore, the depth of the cargo inside the river will be 0.824 m.

Step 2 of 3

Chapter 13, Problem 23P is Solved
Step 3 of 3

Textbook: Physics: Principles with Applications
Edition: 6
Author: Douglas C. Giancoli
ISBN: 9780130606204

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An aluminum bar has the desired length when at 15°C. How