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A copper wire has a length of 4 m and a ...

A copper wire has a length of 4 m and a diameter of 3 mm. Find the extension produced in it by a force of 30 N. Given, `E=1.1xx10^(11)"N m"^(-2)` for copper.

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To find the extension produced in a copper wire when a force is applied, we can use the formula derived from Hooke's Law: \[ \Delta L = \frac{F \cdot L}{A \cdot E} \] Where: - \(\Delta L\) = extension (in meters) ...
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