Answered: The staples inside a stapler are kept…

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter6: Energy Of A System

Section: Chapter Questions

Problem 20P

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The staples inside a stapler are kept in place by a spring with a relaxed length of 0.116 m. If the spring constant is 46.0N/m, how much elastic potential energy is stored in the spring when it’s length is 0.146m ? Answer in units of J

Expert Solution

Step 1

Given data

The relaxed length is $L_{1} = 0.116 m$

The final length is $L_{2} = 0.146 m$

The spring constant is $k = 46.0 N / m$

The spring stretched is,

$\begin{array}{rcl} ∆ L & = & L_{2} - L_{1} \\ = & 0.146 m - 0.116 m \\ = & 0.03 m \end{array}$

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