Physics Education Research


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Uniform Spherical Distribution Model  v.1.0

Pick a random point on the surface of a sphere with this simulation. The EJS Uniform Spherical Distribution Model shows how to pick a random point on the surface of a sphere.

Gnomon Model  v.1.0

Gnomon shadow simulation to help you with your studies. The EJS Gnomon model simulates the shadow cast by a gnomon (the part of a sundial that casts the shadow) over the course of a day for any day of the year and any latitude on Earth.





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QM Momentum Measurement  v.1.0

Study the position-space wave function with the help of this simulation. QM Momentum Measurement software displays the time evolution of the position-space wave function and can be used to simulate the quantum-mechanical measurement of momentum.

Approach To Equilibrium  v.1.0

Equilibrium simulation to help you with your studies.

Radioactive Decay Events  v.1.0

Decay of a radioactive sample simulation to help you with your studies. The EJS Radioactive Decay Events Model simulates the decay of a radioactive sample using discrete random events.

Damped Driven Simple Harmonic Oscillator Model  v.1.0

Simulate ball dynamics with this tool. Damped Driven Simple Harmonic Oscillator model displays the dynamics of a ball attached to an ideal spring with a damping force and a sinusoidal driving force.

Earth Orbit Model  v.1.0

Copernican theory illustration. Earth Orbit model illustrates the Copernican theory of Earth's orbit around the sun. The top window shows a view from outside the celestial sphere.

Random Walk 2D Model  v.1.0

Analyze a 2D random walk with this application. EJS Random Walk 2D Model simulates a 2-D random walk. You can change the number of walkers and probability of going a given direction.

Radioactive Decay Model  v.1.0

Radioactive sample decay simulation. Radioactive Decay Model simulates the decay of a radioactive sample using discrete random events. It displays the number of radioactive nuclei as a function of time.

Standing Waves on a String Model  v.1.0

Simulate a standing wave on a string with this application. Standing Waves on a String model displays the motion of a standing wave on a string. The standing wave can be augmented by adding the zero line and the maximum displacement of the string.

Magnetic Bar Field Model  v.1.0

Magnetic field simulation to help you with your studies. Magnetic Bar Field Model shows the field of a bar magnet and has a movable compass that reports the magnetic field values.

Waveguide Model  v.1.0

Analyze waveguide with this tool. Waveguide model displays the motion of a traveling wave forced to move between two walls in a waveguide. The two walls are located at y = 0 and a, so that its normal modes are u(t,

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