A copper wire LM is fused at one end, M to an iron wire MN as shown in figure below. L M N F The copper wire has length 0.90 m and cross-section area 0.90 ×10-6 m². The iron wire has length 1.40 m and cross-section area 1.30 x10-6m2. The compound wire is stretched and the total length increases by 0.01 m. Given Yiron = 2.10 ×1011 Pa and Give Ycopper = 1.30 x1011 Pa. Determine the ratio of the extension of copper wire to the extension of iron wire, %3D a.

A copper wire LM is fused at one end, M to an iron wire MN as shown in figure below. L M N F The copper wire has length 0.90 m and cross-section area 0.90 ×10-6 m². The iron wire has length 1.40 m and cross-section area 1.30 x10-6m2. The compound wire is stretched and the total length increases by 0.01 m. Given Yiron = 2.10 ×1011 Pa and Give Ycopper = 1.30 x1011 Pa. Determine the ratio of the extension of copper wire to the extension of iron wire, %3D 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

Chapter14: Fluid Mechanics

Section: Chapter Questions

Problem 62P: A certain hydraulic system is designed to exert a force 100 times as large as the put into it. (a)...

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Concept explainers

Mechanical Properties of Solids

There are three types of matter- solid, liquid and gas. Out of them, solids have a rigid shaped and size. The intermolecular forces of attractions in solids are greatest. Mechanical properties are the physical properties of a material which it shows, when it is provided with certain amount of force or load. These properties are to be kept in mind for various purposes. When a force is applied to an object, the object may or may not get deformed depending upon its elastic property. But every time the object develops a restoring force against the force applied. This is commonly known as stress. If the object changes its dimensions due to the force applied it develops strain ( which is the ratio of change in dimension to the original dimension).

Question

. A copper wire LM is fused at one end, M to an iron wire MN as shown in figure below.
L
M
N F
The copper wire has length 0.90 m and cross-section area 0.90 x10-6 m². The iron wire has length
1.40 m and cross-section area 1.30 x10-6 m2. The compound wire is stretched and the total length
increases by 0.01 m. Given Yiron = 2.10 x1011 Pa and Give Ycopper = 1.30 x1011 Pa. Determine
%3D
%3!
a. the ratio of the extension of copper wire to the extension of iron wire,

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