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Simulation Manual: Photoelectric Effect Experiment
The complete guide to the photoelectric effect simulation, including a short introduction and a user guide.

Updates to Free Fall Simulation
I updated the graphical user interface for easier interaction and better fitting in the browser. Also, I made a minor bug fix to the code.

Charging by Induction Simulation
Using this simulation, you can experience the phenomenon of charging a metallic ball by induction in the first stage and charging the ball by contact in the second stage after the charged rod touches the ball. The displayed charges are for an illustrational purpose, and they are not seen in reality. You can disable the display of charges on the rod and on the ball.
In this simulation, you can try two situations, one in which the rod is positively charged and another in which the rod is negatively charged, and you will see that the two situations result in the same observation.

Free Fall Simulation
A new simulation, that simulates the free fall of an object (ball). This simulation gives the ability to measure the acceleration of gravity by taking successive shots of the falling object with recording the time of each shot and measuring the coordinate y for each shot. It also enables us to check the famous free fall equation:
y = (1/2) gt²

دليل المحاكاة: تجربة الظاهرة الكهروضوئية
الدليل الكامل لمحاكاة التأثير الكهروضوئي، يشتمل على مقدمة قصيرة ودليل الاستخدام.

Old Simulations
These simulations were made using the Adobe Flash/AcrtionScript. You can download them and run then in Windows.