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One Dimensional Collision Model
written by Andrew Duffy
The One Dimensional Collision model allows the user to collide two objects and investigate whether momentum and/or kinetic energy are conserved in the collision process. To keep things simple, we'll confine ourselves to collisions along a single line.  Special cases include the completely inelastic case, in which the objects stick together after the collision, as well as the completely elastic case, in which kinetic energy is conserved.

The One Dimensional Collision was created using the Easy Java Simulations (EJS) modeling tool.  It is distributed as a ready-to-run (compiled) Java archive.  Double clicking the ejs_bu_Collisions1D.jar file will run the program if Java is installed.

Please note that this resource requires at least version 1.5 of Java (JRE).
1 supplemental document is available
Subjects Levels Resource Types
Classical Mechanics
- Linear Momentum
= Collisions in One Dimension
= Conservation of Linear Momentum
- Work and Energy
= Conservation of Energy
- Lower Undergraduate
- Middle School
- High School
- Upper Undergraduate
- Instructional Material
= Curriculum support
= Interactive Simulation
Intended Users Formats Ratings
- Learners
- Educators
- application/java
  • Currently 5.0/5

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Access Rights:
Free access
This material is released under a GNU General Public License Version 3 license.
Rights Holder:
Andrew Duffy, Boston University
collision, elasticity, energy, momentum, one dimension
Record Cloner:
Metadata instance created April 27, 2010 by Mario Belloni
Record Updated:
June 11, 2014 by Andreu Glasmann
Last Update
when Cataloged:
April 16, 2010
Other Collections:

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Record Link
AIP Format
A. Duffy, Computer Program ONE DIMENSIONAL COLLISION MODEL (2010), WWW Document, (
A. Duffy, Computer Program ONE DIMENSIONAL COLLISION MODEL (2010), <>.
APA Format
Duffy, A. (2010). One Dimensional Collision Model [Computer software]. Retrieved May 29, 2016, from
Chicago Format
Duffy, Andrew. "One Dimensional Collision Model." (accessed 29 May 2016).
MLA Format
Duffy, Andrew. One Dimensional Collision Model. Computer software. 2010. Java (JRE) 1.5. 29 May 2016 <>.
BibTeX Export Format
@misc{ Author = "Andrew Duffy", Title = {One Dimensional Collision Model}, Month = {April}, Year = {2010} }
Refer Export Format

%A Andrew Duffy
%T One Dimensional Collision Model
%D April 16, 2010
%O application/java

EndNote Export Format

%0 Computer Program
%A Duffy, Andrew
%D April 16, 2010
%T One Dimensional Collision Model
%8 April 16, 2010

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Citation Source Information

The AIP Style presented is based on information from the AIP Style Manual.

The APA Style presented is based on information from APA Electronic References.

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One Dimensional Collision Model:

Is Based On Easy Java Simulations Modeling and Authoring Tool

The Easy Java Simulations Modeling and Authoring Tool is needed to explore the computational model used in the One Dimensional Collision Model.

relation by Mario Belloni
Covers the Same Topic As Two Particle Elastic Collision Model

This is a more advanced model of collision, in which the user may set up either a one-dimensional or two-dimensional elastic collision of two hard disks in an isolated system.

relation by Caroline Hall

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