# A spiral spring is compressed so as to add units of potential energy to it. When this spring is...

## Question:

A spiral spring is compressed so as to add units of potential energy to it. When this spring is instead stretched one-half of the distance it was compressed, its remaining potential energy in the same units will be:

A) U/2

B) U/3

C) U/4

D) 2U/3

E) 3U/4

## Elastic potential energy:

When an elastic object is applied with some magnitude of force for which it tends to undergo deformation, then the work done to produce that deformation is stored in the object in the form of some energy called elastic potential energy.

## Answer and Explanation:

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The initial potential energy of the spring is,

{eq}U = \dfrac{1}{2}k{x^2}......................\left( 1 \right) {/eq}

Here **k** is the spring...

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Chapter 17 / Lesson 11In this lesson, you'll have the chance to practice using the spring constant formula. The lesson includes four problems of medium difficulty involving a variety of real-life applications.