written by Wolfgang Christian, Mario Belloni, Aaron Titus, and Anne Cox

In this tutorial, we explore Tracker Online, Easy JavaScript Simulations (EJS) modeling, and the ComPADRE Digital Library. Unlike desktop Tracker and EJS, Tracker Online, and Web EJS are written in JavaScript, run in a browser, and do not require any software installation.  Participants should bring a laptop computer. All materials are browser-based and will be accessed from AAPT-ComPADRE.

At the conclusion of this tutorial, participants will be able to access and modify over 500 pre-packaged Tracker Experiments and EJS JavaScript simulations in the AAPT ComPADRE digital library.

• Download AAPTSM25.pdf - 966kb Adobe PDF Document

Last Modified August 4, 2025

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Sample video analysis lesson plan.

• Download Kinematics_Exercise_Key.pdf - 161kb Adobe PDF Document

Last Modified August 1, 2025

Ready-to-run video example.

• Download Simple_Kinematics.trz - 1627kb Tracker Document Set

Last Modified August 1, 2025