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The Manga Guide to Physics
book

The Manga Guide to Physics

by Hideo Nitta, Keita Takatsu, Ltd. Trend-Pro Co.
May 2009
Beginner content levelBeginner
248 pages
6h 21m
English
No Starch Press
Content preview from The Manga Guide to Physics
202 Chapter 4 Energy
Springs and the Conservation of Energy
Let’s think about resilience of a spring as an example of the conservation of energy.
When you compress
*
a spring with spring constant k (you can think of k as a measure
of how springy your spring is in N/m) by x (the distance beyond its natural length), the
potential energy stored in the spring can be expressed as follows:
PE = ½ kx
2
This stored energy is called elastic potential energy. If we place a mass m next to
this spring and the opposite side is fixed, what is the force it will receive? And what will its
velocity be?
* Note that springs work the same way if you stretch them, as ...
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Publisher Resources

ISBN: 9781593271961