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Simulation Manual: Phase Difference Between Sound Waves
A complete manual for the phase difference between sound waves simulation, including a short introduction and a user guide.
Area Model of Partial Products
Elementary math teachers know the importance of this model in teaching the concept of applying distributive property in area model.
The idea is to break one large area (which represents the product of two numbers) into several pieces (products of smaller numbers), then to find the areas of the pieces individually, and finally add to get the area of the whole (the product of the given numbers).
A New Publication Based on The Virtual Oscilloscope Simulation
The paper: Using a web-based and stand-alone oscilloscope for physics experiment during Covid-19 pandemic, Mahizah Ismail et al (2023), Phys. Educ. 58 015006, is based on the Virtual Oscilloscope simulation. This paper was authored by Mahizah Ismail, Farid Minawi, Wan Zul Adli Wan Mokhtar, Noraihan L Abdul Rashid and Ahmad K Ariffin.
The article DOI: https://iopscience.iop.org/article/10.1088/1361-6552/ac95eb
Old Simulations
These simulations were made using the Adobe Flash/AcrtionScript. You can download them and run then in Windows.
Simulation Manual: Elastic Collision in One Dimension
A complete manual for the elastic collision in one dimension simulation, with a mathematical explanation of the derivation of the expressions of the final velocities in terms of the masses and the initial velocities.
Phase Difference Between Sound Waves Simulation
With this rich simulation, you can visualize and measure the phase difference between two sound waves using two microphones connected to an oscilloscope. Moreover, you can determine the speed of sound in air by measuring the distance between the two microphones when their waveforms are in phase, taking into account the frequency of the sound wave that is controlled by the sine wave generator.