Keywords: Collisions in Two Dimensions (13)

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2-D Collision of Pucks -- Center of Mass Velocity
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2-D Collision of Pucks -- Center of Mass Velocity

This lab uses Tracker video analysis software to measure and analyze the ... (more)

This lab uses Tracker video analysis software to measure and analyze the center of mass of a system of two pucks during a two-dimensional collision. Students measure the initial and final velocity vector for each puck and calculate the center-of-mass velocity of the system before and after the collision and show that it is constant. Tracker can automatically calculate and mark the center of mass in each frame, so it is easy to see that the center of mass velocity is constant and calculate its value from graphs of center-of-mass variables. The zip file contains the lab handout, a video showing a 2-D collision of pucks, and the Tracker file. The video copyright is Flashmedia. To open the Tracker file, download and run Tracker from <a href="http://www.cabrillo.edu/~dbrown/tracker/">http://www.cabrillo.edu/~dbrown/tracker/</a>. Tracker is free. The videos can be used with other video analysis software; however, the handout has screen captures from Tracker and instructions specifically written for Tracker. (less)

Subject:
Physics
Technology
Education
Material Type:
Activities and Labs
Instructional Material
Reference
Provider:
ComPADRE Digital Library
Provider Set:
ComPADRE: Resources for Physics and Astronomy Education
Author:
Aaron Titus
Collision between two pendulums
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Collision between two pendulums

This EJS model allows the user to simulate a collision between two ... (more)

This EJS model allows the user to simulate a collision between two pendulums. The user can change the initial angle and the mass of one of the pendulums. The simulation shows the velocity and the tension for each of the pendulums. This Model 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_ntnu_pendulum2m.jar file will run the program if a Java runtime is installed. (less)

Subject:
Physics
Technology
Material Type:
Data
Full Course
Instructional Material
Interactive
Provider:
ComPADRE Digital Library
Provider Set:
ComPADRE: Resources for Physics and Astronomy Education
Author:
Fu-Kwun Hwang
Ejs Hard Disk Collision Model
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Ejs Hard Disk Collision Model

The Ejs Hard Disk Collision model displays a two-dimensional collision between two ... (more)

The Ejs Hard Disk Collision model displays a two-dimensional collision between two hard disks. The two disks have the same mass and only one mass is moving at the beginning of the simulation. The impact of the collision is offset by the impact parameter, b, which can be changed. The center-of-mass of the two masses is also shown. You can modify this simulation if you have Ejs installed by right-clicking within the plot and selecting “Open Ejs Model” from the pop-up menu item. Ejs Hard Disk Collision model 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_newton_HardDiskCollision.jar file will run the program if Java is installed. Ejs is a part of the Open Source Physics Project and is designed to make it easier to access, modify, and generate computer models. Additional Ejs models for Newtonian mechanics are available. They can be found by searching ComPADRE for Open Source Physics, OSP, or Ejs. (less)

Subject:
Computing and Information
Physics
Technology
Material Type:
Activities and Labs
Full Course
Instructional Material
Interactive
Provider:
ComPADRE Digital Library
Provider Set:
ComPADRE: Resources for Physics and Astronomy Education
Author:
Wolfgang Christian
Ejs Hard Disk Gas Model
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Ejs Hard Disk Gas Model

The Ejs Hard Disk Gas model displays a two-dimensional gas made out ... (more)

The Ejs Hard Disk Gas model displays a two-dimensional gas made out of hard disks. Particles are initialized with a speed v=1 in a random direction and move with constant velocity until a collision occurs. You can modify this simulation if you have Ejs installed by right-clicking within the plot and selecting “Open Ejs Model” from the pop-up menu item. Ejs Hard Disk Gas model 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_newton_HardDiskGas.jar file will run the program if Java is installed. Ejs is a part of the Open Source Physics Project and is designed to make it easier to access, modify, and generate computer models. Additional Ejs models for statistical mechanics are available. They can be found by searching ComPADRE for Open Source Physics, OSP, or Ejs. (less)

Subject:
Computing and Information
Engineering
Physics
Technology
Material Type:
Activities and Labs
Full Course
Instructional Material
Interactive
Provider:
ComPADRE Digital Library
Provider Set:
ComPADRE: Resources for Physics and Astronomy Education
Author:
Wolfgang Christian
Energy and Momentum Conceptual Survey
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Energy and Momentum Conceptual Survey

The Energy and Momentum Conceptual Survey is a 25-question research-based multiple-choice test ... (more)

The Energy and Momentum Conceptual Survey is a 25-question research-based multiple-choice test designed for students in algebra- and calculus-based introductory classes. The survey is based on investigations of students’ difficulties in momentum and energy and should be administered in a 50-minute period. Statistical results have shown the survey to be reliable and valid. A summary of the construction and analysis of the survey is available in C. Singh and D. Rosengrant, <em>Multiple-choice test of energy and momentum concepts</em>, Am. J. Phys. <b>71</b> (6), 607-619 (2003). This assessment is free for use by instructors in their classroom. However, as it takes years of development effort to create and validate reliable assessment instruments, the file is password-protected. Furthermore, the author requests that 1. students are not given copies following examination; and 2. none of the questions are incorporated into web-based question delivery systems without adequate security to prevent printing or unauthorized access by students. To obtain the password, please <a href="http://www.compadre.org/per/user/contact.cfm?Subject=Energy%20and%20Momentum%20Conceptual%20Survey%20(11896)">send a request</a> with your name, email, institution, and a link to a page at your institution that confirms you are an instructor. (less)

Subject:
Engineering
Physics
Technology
Education
Material Type:
Assessments
Instructional Material
Lecture Notes
Provider:
ComPADRE Digital Library
Provider Set:
ComPADRE: Resources for Physics and Astronomy Education
Author:
Chandralekha Singh
David Rosengrant
Matter & Interactions Practice Problems: Angular Momentum
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Matter & Interactions Practice Problems: Angular Momentum

This web page contains problems to supplement the introductory textbook <i>Matter and ... (more)

This web page contains problems to supplement the introductory textbook <i>Matter and Interactions</i> by Ruth Chabay and Bruce Sherwood. These problems are designed for use with Volume 1, Chapter 10 on angular momentum. Topics include multiparticle systems, conservation, torque, and collisions. Each problem can be viewed separately, with solutions, or downloaded as a pdf file. The site includes videos showing solutions to many of the problems. These can be followed with RSS or as podcasts from iTunes. Instructors are encouraged to submit their own problems and solutions. Problems should be submitted in LaTeX format; ample support for this process is provided by the web site. (less)

Subject:
Physics
Technology
Material Type:
Instructional Material
Lecture Notes
Provider:
ComPADRE Digital Library
Provider Set:
ComPADRE: Resources for Physics and Astronomy Education
Author:
Aaron Titus
Matter & Interactions Practice Problems: Collisions
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Matter & Interactions Practice Problems: Collisions

This web page contains problems to supplement the introductory textbook <i>Matter and ... (more)

This web page contains problems to supplement the introductory textbook <i>Matter and Interactions</i>, by Ruth Chabay and Bruce Sherwood. These problems are designed for use with Volume 1, Chapter 9 on collisions. Topics include elastic, inelastic, and head-on collisions. Each problem can be viewed separately, with solutions, or downloaded as a pdf file. The site includes videos showing solutions to many of the problems. These can be followed with RSS or as podcasts from iTunes. Instructors are encouraged to submit their own problems and solutions. Problems should be submitted in LaTeX; ample support is provided for this process on the web site. (less)

Subject:
Physics
Technology
Material Type:
Instructional Material
Lecture Notes
Provider:
ComPADRE Digital Library
Provider Set:
ComPADRE: Resources for Physics and Astronomy Education
Author:
Aaron Titus
Matter & Interactions Practice Problems: Multiparticle Systems
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Matter & Interactions Practice Problems: Multiparticle Systems

This web page contains problems to supplement the introductory textbook <i>Matter and ... (more)

This web page contains problems to supplement the introductory textbook <i>Matter and Interactions</i>, by Ruth Chabay and Bruce Sherwood. These problems are designed for use with Volume 1, Chapter 8: Multiparticle Systems. The exercises promote understanding of both the Momentum Principle and the Energy Principle when applied in multi-particle systems. Each problem can be viewed separately, with solutions, or downloaded as a pdf file. The site includes videos showing solutions to many of the problems. These can be followed with RSS or as podcasts from iTunes. Instructors are encouraged to submit their own problems and solutions. Problems should be submitted in LaTeX; ample support is provided for this process on the web site. (less)

Subject:
Chemistry
Physics
Technology
Material Type:
Instructional Material
Lecture Notes
Provider:
ComPADRE Digital Library
Provider Set:
ComPADRE: Resources for Physics and Astronomy Education
Author:
Aaron Titus
The Metamorphosis of the Local Group
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The Metamorphosis of the Local Group

This site give an animation simulation of what will happen in about ... (more)

This site give an animation simulation of what will happen in about 3 billion years when our galaxy and the Andromeda galaxy approach each other over the course of 1.5 billion years. (less)

Subject:
Physics
Space Science
Technology
Material Type:
Full Course
Instructional Material
Interactive
Provider:
ComPADRE Digital Library
Provider Set:
ComPADRE: Resources for Physics and Astronomy Education
Author:
John Dubinski
Physclips: Smashing Bricks and the Ballistic Pendulum
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Physclips: Smashing Bricks and the Ballistic Pendulum

This web page provides a detailed analysis of two inelastic collision problems: ... (more)

This web page provides a detailed analysis of two inelastic collision problems: the breaking brick and the ballistic pendulum. It includes topics such as kinetic energy, conservation of momentum, conservation of mechanical energy, and compression. Still images and diagrams are integrated with text to promote understanding of important concepts. This tutorial is part of the PhysClip collection of web-based resources on introductory mechanics, electricity, and magnetism. (less)

Subject:
Geoscience
Life Science
Physics
Technology
Material Type:
Images and Illustrations
Instructional Material
Reference
Provider:
ComPADRE Digital Library
Provider Set:
ComPADRE: Resources for Physics and Astronomy Education
Author:
Joe Wolfe
Physics Suite Sample Problems: Momentum and Energy
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Physics Suite Sample Problems: Momentum and Energy

This page contains a series of problems on the topic of momentum ... (more)

This page contains a series of problems on the topic of momentum developed for use with The Physics Suite, an activity-based learning project. Each problem was designed to help build qualitative understanding of physics and was built around student acquisition of knowledge as observed in recent studies. The problems vary in format and include estimation, context-based reasoning, multiple choice, short answer, qualitative questions, and essay questions. Topics covered include conservation of energy, conservation of momentum, collisions, springs, gravitational potential energy, work, and graphical analysis. This item is part of a larger collection of problems, in-class questions, and interactive resources developed by the University of Maryland Physics Education Research Group. (less)

Subject:
Engineering
Physics
Technology
Education
Material Type:
Activities and Labs
Instructional Material
Lecture Notes
Provider:
ComPADRE Digital Library
Provider Set:
ComPADRE: Resources for Physics and Astronomy Education
Author:
Edward F. Redish
Two Particle Elastic Collision Model
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Two Particle Elastic Collision Model

The EJS Elastic Collision Model allows the user to simulate a two-dimensional ... (more)

The EJS Elastic Collision Model allows the user to simulate a two-dimensional elastic collision between hard disks. The user can modify the mass, position and velocity of each disk using the sliders. Both disks are draggable and the center of mass is shown a a cross in the simulation. (less)

Subject:
Science and Technology
Physics
Technology
Material Type:
Data
Instructional Material
Interactive
Provider:
comPADRE
ComPADRE Digital Library
Provider Set:
Open Source Physics
ComPADRE: Resources for Physics and Astronomy Education
Author:
Fu-Kwun Hwang
Robert Mohr
Wolfgang Christian
Video Analysis with Tracker: TPT Package
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Video Analysis with Tracker: TPT Package

Video Analysis with Tracker: TPT Package contains several video analysis and modeling ... (more)

Video Analysis with Tracker: TPT Package contains several video analysis and modeling experiments from introductory physics as described in "Innovative Uses of Video Analysis" The Physics Teacher, 2009. It is distributed as a ready-to-run (compiled) Java archive containing the Tracker video analysis application, movies, models and instructionsa which can be modified by the user. Tracker, a video analysis program with dynamical modeling, is an Open Source Physics tool. (less)

Subject:
Computing and Information
Physics
Space Science
Technology
Education
Material Type:
Activities and Labs
Full Course
Instructional Material
Interactive
Provider:
ComPADRE Digital Library
Provider Set:
ComPADRE: Resources for Physics and Astronomy Education
Author:
Anne Cox
Douglas Brown
2002 llaF ,gnivloS melborP gnireenignE dna sretupmoC ot noitcudortnI

2002 llaF ,gnivloS melborP gnireenignE dna sretupmoC ot noitcudortnI

.desu si egaugnal gnimmargorp avaJ ehT .gninnalp dna ,tnemeganam ,ecneics ,gnireenigne ni ... (more)

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