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A steel wire of length 1.99 m with circular cross section must stretch no more than...

A steel wire of length 1.99 m with circular cross section must stretch no more than 0.260 cm when a tensile (stretching) force of 380 N is applied to each end of the wire.

What minimum diameter is required for the wire?

Express your answer in millimeters. Take Young's modulus for steel to be Y = 2.00×1011 Pa .

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Answer #1

Given:

Length,

Extension,

Young's Modulus,

Force,

=================

Young's Modulus,

Convert m2 to mm2. Multiply by

Diameter,

ANSWER:

=============================

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