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# Physics Software

Resources for Physics and Education

## Sitemaps

- [XML Sitemap](https://www.physics-software.com/sitemap.xml): Contains all public & indexable URLs for this website.

## Pages

- [Simulators and Software for Physics and Education](https://www.physics-software.com/) - Resources for Physics and Education
- [Oberbeck Pendulum Simulator](https://www.physics-software.com/virtuallab/mechanics/oberbeck-pendulum/) - Download the simulator for Oberbeck's pendulum from our server. What is Oberbeck's Pendulum? Oberbeck's pendulum is an instrument for investigation rotational motion of rigid body. The instrument is widely used in laboratory of mechanics. The pendulum consists of pulley, four crossed sticks, and four cylinders on sticks. A thin flex wire is wrapped on the
- [Virtual labs](https://www.physics-software.com/virtuallab/) - Parameters for Oberbeck Pendulum V1.1 Parameters Value 1 Stick length $l_0=30.0cm$ 1 Stick diameter $d_0=2.0cm$ 2 Radius of the pulley $R=7.0cm$ 2 Mass of the pulley $m_p=0.03kg$ 2 Mass of the cylinder $m_{cyl}=0.2kg$ 2 Height of the cylinder $H_{cyl}=8.0cm$ 2 Outer radius of the cylinder $r_2=3.5cm$ 2 Inner radius of the cylinder $r_1=1.0cm$ Download
- [Lab Calculator for Physics Experiments](https://www.physics-software.com/lab-calculator/) - Here are some calculator for common physics lab experiments. You can use it for quick check for your lab experiments. Or you can arrange experimental equipment fit to these calculator, and use the calculator to investigate physics laws. Mechanics Simple pendulum Motion on inclined plane Pendulum of Oberbeck Energy conversation law Young's modulus Flywheel Molecular
- [BT Grader - Answer sheet scanner](https://www.physics-software.com/bt-grader/) - Bubble sheet scoring, bubble sheet grading, answer sheet grading, answer sheet scanning, answer sheet generator, free answer sheet, OCR answer sheet, quiz
- [User guide](https://www.physics-software.com/bt-grader/user-guide/) - Installing the software: Download installation package from our server or www.download.com. Run the Installer. Steps to use the software: 1. You need obtain special bubble sheets designed for the software's current version. Visit to www.physics-software.com/getsheet and print copies (of course free of charge) as you need. Please do not use bubble sheets from previous versions
- [Support](https://www.physics-software.com/bt-grader/support/) - Please visit to the Facebook page for support and help.
- [Order BT Grader](https://www.physics-software.com/bt-grader/order-bt-grader/) - BT Grader is FREE SOFTWARE. Just download, install and use.
- [Cesium photocell](https://www.physics-software.com/pictures/photo-cell/) - A cesium photocell is an optoelectronic device that converts light energy into electrical energy. When photons of light hit a metal surface, electrons are ejected, and this phenomenon is called the photoelectric effect. Cesium photocells are based on this phenomenon. Cesium has a lower ionization energy than other metals. Therefore, it is the most suitable
- [Richardson-Dushman Equation](https://www.physics-software.com/pictures/richardson-dushman-equation/) - The vacuum tube consists of anode, hot cathode sealed in a glass tube. The current density between anode and cathode determined by following equation: $$j= A\cdot T^2 e^{-\frac{W_a}{kT}}$$ Here, $j$ is density of current of thermionic electrons. $T$ is temperature of hot cathode, k is constant of the Boltzmann, $W_a$ is work needed to extract
- [BT Grader Gallery](https://www.physics-software.com/bt-grader-gallery/)
- [Pictures](https://www.physics-software.com/pictures/) - You can freely use these pictures without removing copyright text. Coulomb's Law Richardson - Dushman equation Cesium photocell Weight and pulley system Semiconductor Resistors in series Resistors in parallel Dipole in a uniform electric field
- [Coulomb's Law](https://www.physics-software.com/pictures/coulombs-law/) - Coulomb's law describes force between charged particles (charged small bodies). $$\vec F_2 = \frac{1}{4 \pi \varepsilon_0 \varepsilon} \frac{q_1 q_2}{r_{12}^3}\vec r_{12}$$ Here $\varepsilon_0 = 8.85 \cdot 10^{-12}F/m$. All other variables in formula shown below pictures.
- [Software](https://www.physics-software.com/software/) - Electric Field An electric field simulator. It is an excellent tool for visualizing electric field and equipotential lines. Visibility of field line and potential surface depends on their magnitude. You can put unlimited number of charges in the field. Also, it can simulate electric field of charged condenser, charged wire and charged dielectric objects. "Electric
- [About](https://www.physics-software.com/about/) - nasanbat@gmail.com Postal mail : P.O. Box 46A/276 Ulaanbaatar, Mongolia 210646
- [Mechanics](https://www.physics-software.com/virtuallab/mechanics/) - Kinematics Average velocity $$\bar{\upsilon}=\frac{\Delta x}{\Delta t}$$ Velocity $$!\mathbf{v} = \frac{d \mathbf{x}}{dt}$$ or $$!\mathbf{v} = \mathbf{i}\frac{d{x}}{dt} + \mathbf{j}\frac{d{y}}{dt} + \mathbf{k}\frac{d{z}}{dt}$$
- [Privacy Policy](https://www.physics-software.com/privacy-policy-2/) - Effective Date: 17 July 2024 This Privacy Policy describes how Physics Software ("we," "us," or "our") collects, uses, and discloses your personal information when you use our website (the "Website") and the desktop applications, web applications, and pictures (collectively, the "Content") offered through the Website. Information We Collect We collect the following types of information
- [Semiconductor](https://www.physics-software.com/pictures/semiconductor/) - Silicon crystal array stretched in 2D.
- [Dipole in uniform electric field](https://www.physics-software.com/pictures/dipole-in-uniform-electric-field/) - Here $q$ is charge, $\vec{l}$ is distance between charges. Torque on dipole: $$\vec{M}=\vec{p} \times \vec{E}$$
- [Resistors in parallel](https://www.physics-software.com/pictures/resistors-in-parallel/)
- [Resistors in series](https://www.physics-software.com/pictures/resistors-in-series/)
- [Weight and pulley system](https://www.physics-software.com/pictures/weight-and-pulley-system/)