Problem 9.47A steel wire 2.5 mm in diameter stretches by 0.038 % when amass is suspended from it. The elastic modulus for steel is2.0 x 1011 N/m? Part AHow large is the mass?Express your answer to two significant figures and include the appropriate units.HA?ValueUnitsm =SubmitRequest AnswerProvide Feedback

streched wire, ∆x=0.038% of l0 ∆x=0.038100=3.8*10-4 l0

Answered: A steel wire 2.5 mm in diameter…

A steel wire 2.5 mm in diameter stretches by 0.038 % when a mass is suspended from it. The elastic modulus for steel is 2.0 x 1011 N/m2

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter5: Further Applications Of Newton's Laws: Friction, Drag, And Elasticity

Section: Chapter Questions

Problem 38PE: A disk between vertebrae in the spine is subjected to a shearing force of 600 N. Find its shear...

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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).

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Problem 9.47
A steel wire 2.5 mm in diameter stretches by 0.038 % when a
mass is suspended from it. The elastic modulus for steel is
2.0 x 1011 N/m?

Part A
How large is the mass?
Express your answer to two significant figures and include the appropriate units.
HA
?
Value
Units
m =
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