A mass of 3000 kg hangs at the end of a steel rod 5.0 meters in length. The area of the cross section of the rod is 1.3 x 10 -4 m2 and Young’s modulus for the rod is 20 x 1010 N/m2. What is the elongation of the rod? A: 4.8 x 10-4 mB: 5.6 x 10-3 mC: 5.7 x 10-4 mD: 1.7 x 10-2 mE: 4.3 x 10-3 m

Given Data: The mass of a steel rod is, m=3000 kg The actual length of a rod is, l=5 m The…

Answered: A mass of 3000 kg hangs at the end of a…

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter12: Static Equilibrium And Elasticity

Section: Chapter Questions

Problem 56P: Alarge uniform cylindrical steel rod of density =7.8g/cm3 is 2.0 m long and has a diameter of 5.0...

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A mass of 3000 kg hangs at the end of a steel rod 5.0 meters in length. The area of the cross section of the rod is 1.3 x 10 ^-4 m² and Young’s modulus for the rod is 20 x 10¹⁰ N/m². What is the elongation of the rod?

A: 4.8 x 10^-4 m

B: 5.6 x 10^-3 m

C: 5.7 x 10^-4 m

D: 1.7 x 10^-2 m

E: 4.3 x 10^-3 m

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