## Computer Program Detail Page

written by Wolfgang Christian
supported by the National Science Foundation
The EJS Ceiling Bounce Model shows a ball launched by a spring-gun in a building with a very high ceiling and a graph of the ball's position or velocity as a function of time.  Students are asked set the ball's inital velocity so that it barely touches the ceiling.  This simple model is  a designed to teach both physics and EJS modeling.

Please note that this resource requires at least version 1.5 of Java.
View the source code document attached to this resource
Subjects Levels Resource Types
Classical Mechanics
- General
- Motion in One Dimension
= Gravitational Acceleration
= Velocity
- Newton's Second Law
= Force, Acceleration
- High School
- Instructional Material
= Interactive Simulation
Intended Users Formats Ratings
- Learners
- Educators
- application/java
• Currently 0.0/5

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Access Rights:
Free access
This material is released under a GNU General Public License Version 3 license. Additional information is available.
Rights Holder:
Wolfgang Christian
Keyword:
impulse
Record Cloner:
Metadata instance created December 16, 2008 by Wolfgang Christian
Record Updated:
June 2, 2014 by Andreu Glasmann
Last Update
when Cataloged:
December 16, 2008
Other Collections:

### AAAS Benchmark Alignments (2008 Version)

#### 4. The Physical Setting

4F. Motion
• 6-8: 4F/M3a. An unbalanced force acting on an object changes its speed or direction of motion, or both.
• 9-12: 4F/H8. Any object maintains a constant speed and direction of motion unless an unbalanced outside force acts on it.

#### 9. The Mathematical World

9B. Symbolic Relationships
• 6-8: 9B/M3. Graphs can show a variety of possible relationships between two variables. As one variable increases uniformly, the other may do one of the following: increase or decrease steadily, increase or decrease faster and faster, get closer and closer to some limiting value, reach some intermediate maximum or minimum, alternately increase and decrease, increase or decrease in steps, or do something different from any of these.

#### 11. Common Themes

11B. Models
• 6-8: 11B/M1. Models are often used to think about processes that happen too slowly, too quickly, or on too small a scale to observe directly. They are also used for processes that are too vast, too complex, or too dangerous to study.
• 9-12: 11B/H3. The usefulness of a model can be tested by comparing its predictions to actual observations in the real world. But a close match does not necessarily mean that other models would not work equally well or better.

### Common Core State Standards for Mathematics Alignments

#### Standards for Mathematical Practice (K-12)

MP.4 Model with mathematics.

#### High School — Algebra (9-12)

Creating Equations? (9-12)
• A-CED.2 Create equations in two or more variables to represent relationships between quantities; graph equations on coordinate axes with labels and scales.
• A-CED.4 Rearrange formulas to highlight a quantity of interest, using the same reasoning as in solving equations.

#### High School — Functions (9-12)

Interpreting Functions (9-12)
• F-IF.5 Relate the domain of a function to its graph and, where applicable, to the quantitative relationship it describes.?
Building Functions (9-12)
• F-BF.3 Identify the effect on the graph of replacing f(x) by f(x) + k, k f(x), f(kx), and f(x + k) for specific values of k (both positive and negative); find the value of k given the graphs. Experiment with cases and illustrate an explanation of the effects on the graph using technology. Include recognizing even and odd functions from their graphs and algebraic expressions for them.
Linear, Quadratic, and Exponential Models? (9-12)
• F-LE.1.b Recognize situations in which one quantity changes at a constant rate per unit interval relative to another.
ComPADRE is beta testing Citation Styles!

AIP Format
W. Christian, Computer Program CEILING BOUNCE MODEL, Version 1.0 (2008), WWW Document, (http://www.compadre.org/Repository/document/ServeFile.cfm?ID=8385&DocID=926).
AJP/PRST-PER
W. Christian, Computer Program CEILING BOUNCE MODEL, Version 1.0 (2008), <http://www.compadre.org/Repository/document/ServeFile.cfm?ID=8385&DocID=926>.
APA Format
Christian, W. (2008). Ceiling Bounce Model (Version 1.0) [Computer software]. Retrieved March 29, 2015, from http://www.compadre.org/Repository/document/ServeFile.cfm?ID=8385&DocID=926
Chicago Format
Christian, Wolfgang. "Ceiling Bounce Model." Version 1.0. http://www.compadre.org/Repository/document/ServeFile.cfm?ID=8385&DocID=926 (accessed 29 March 2015).
MLA Format
Christian, Wolfgang. Ceiling Bounce Model. Vers. 1.0. Computer software. 2008. Java 1.5. 29 Mar. 2015 <http://www.compadre.org/Repository/document/ServeFile.cfm?ID=8385&DocID=926>.
BibTeX Export Format
@misc{ Author = "Wolfgang Christian", Title = {Ceiling Bounce Model}, Month = {December}, Year = {2008} }
Refer Export Format

%A Wolfgang Christian
%T Ceiling Bounce Model
%D December 16, 2008
%O 1.0
%O application/java

EndNote Export Format

%0 Computer Program
%A Christian, Wolfgang
%D December 16, 2008
%T Ceiling Bounce Model
%7 1.0
%8 December 16, 2008

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Citation Source Information

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

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