A rubber cord has a diameter of 5.0 mm, and an unstretched length of 1.0 m. One end of the cord is attached to a fixed support A. When a mass of 1.0 kg is attached to the other end of the cord, so as to hang vertically below A, the

A rubber cord has a diameter of 5.0 mm, and an unstretched length of 1.0 m. One end of the cord is attached to a fixed support A. When a mass of 1.0 kg is attached to the other end of the cord, so as to hang vertically below A, the

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Slope and Deflection

The slope in a deflected beam is described as an angle in radians made by the tangent of the section with the original axis of the beam. The deflection at any point on the axis of the beam is defined as the lateral displacement of the point before and after loading.

Question

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A rubber cord has a diameter of 5.0 mm, and
an unstretched length of 1.0 m. One end of the
cord is attached to a fixed support A. When a
mass of 1.0 kg is attached to the other end of
the cord, so as to hang vertically below A, the

cord is observed to elongate by 100 mm.
Calculate the Young's modulus of rubber.
If the 1 kg mass is now pulled down a further
short distance and then released, what is the
period of the resulting oscillations?
(S]

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