A large 75-kg lighting fixture can be hung from wires of identical size and shape made of aluminum, brass, or copper. The values of Young's modulus for these metals are 70 × 109 N/m2(aluminum), 100 × 109 N/m2 (brass), and 128 × 109 N/m2 (copper). Which wire would stretch the least distance?a. aluminumb. brassc. copperd. they will stretch at the same time

The change in the length of the wires can be given as, ΔL=PLAE From the above relation, it is…

Answered: A large 75-kg lighting fixture can be…

Physics for Scientists and Engineers

10th Edition

ISBN:9781337553278

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter18: Temperature

Section: Chapter Questions

Problem 16P: Review. On a day that the temperature is 20.0C, a concrete walk is poured in such a way that the...

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A large 75-kg lighting fixture can be hung from wires of identical size and shape made of aluminum, brass, or copper. The values of Young's modulus for these metals are 70 × 10⁹ N/m²(aluminum), 100 × 10⁹ N/m² (brass), and 128 × 10⁹ N/m² (copper). Which wire would stretch the least distance?

a. aluminum

b. brass

c. copper

d. they will stretch at the same time

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