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What Is an Inertial Frame of Reference
This section describes an inertial frame of reference - a frame of reference in which no acceleration can be detected in any direction. 2022-10-04, ∼245🔥, 0💬

Moving Frames and Galilean Transformation
This section provides a quick introduction of the Galilean transformation between two frames that are move relative to each other. 2022-10-16, ∼244🔥, 0💬

What Is Spacetime
This section provides a quick introduction of speed, which is a mathematical model used to describe our universe in frame of references that combines space and time together. 2022-10-04, ∼243🔥, 0💬

Phase Portrait of Simple Harmonic Motion
This section provides phase portrait examples for a single object in simple harmonic motion. 2022-10-09, ∼242🔥, 0💬

About This Book
This section provides some detailed information about this book - Physics Notes - Herong's Tutorial Notes. 2022-10-11, ∼237🔥, 0💬

Introduction of Spacetime
This chapter provides an introduction of spacetime. Topics include definition of spacetime; world line of an object in a spacetime frame; light cone of an event in a spacetime frame. 2022-11-05, ∼234🔥, 0💬

Introduction of Hamiltonian
This chapter provides an introduction of Hamiltonian. Topics include introduction of Hamiltonian; energy conservation; conservative system; free fall motion; simple harmonic motion; simple pendulum motion, momentum and Hamilton Equations. 2022-10-13, ∼234🔥, 0💬

What Is Distance
This section introduces distance between two objects. The standard unit of distance is called 'meter', which is the length travelled by light in 1/299,792,458 of a second. 2022-10-05, ∼234🔥, 0💬

Lagrangian in Cartesian Coordinates
This section provides a quick introduction to the Lagrangian in Cartesian coordinates, expressed in terms of r, r' and t. 2022-12-08, ∼231🔥, 0💬

Action - Integral of Lagrangian
This section provides an introduction of Action, the integral of Lagrangian of a given system between two time instances. 2022-10-30, ∼231🔥, 0💬

Newton's First Law of Motion
This section introduces Newton's First Law of Motion - If the net force acting on an object is zero, then the velocity of the object is constant. 2022-10-05, ∼231🔥, 0💬

Length Contraction in Special Relativity
This chapter provides an introduction of length contraction in special relativity. Topics include a thought experiment showing length contraction; deriving length contraction formula; reciprocity of length contraction. 2022-10-09, ∼229🔥, 0💬

Demonstration of Time Dilation - Bob on the Ground
This section continues the thought experiment to demonstrate time dilation with Bob observing the same bouncing light pulse clock installed on a moving train from a stationary frame. 2022-10-06, ∼229🔥, 0💬

What Is Space
This section provides a quick introduction of space, which is a property of our universe that gives us a sense of the size of an object and the distance between two objects. 2022-10-05, ∼229🔥, 0💬

Introduction of Generalized Coordinates
This chapter provides an introduction of Generalized Coordinates. Topics include introduction of generalized position, velocity and momentum; Lagrange Equations and Hamilton Equations in generalized coordinates; Legendre Transformation. 2022-11-05, ∼227🔥, 0💬

What Is Speed
This section provides a quick introduction of speed, which is a derived property of a moving object by calculating the distance the object has moved within a single unit of time. 2022-10-29, ∼227🔥, 0💬

Introduction of Space
This chapter provides an introduction of space. Topics include what is space; standard unit to measure distance in space; how long is one 'meter'. 2022-11-02, ∼226🔥, 0💬

Falling Ball in Elevator Frame of Reference
This section provides an example of a falling ball in the elevator frame of reference, where we need to add a fictitious force to cancel out the gravitational force to make Newton's First and Second Laws of Motion valid. 2022-10-07, ∼226🔥, 0💬

Newton's Laws of Motion
This chapter provides an introduction of Newton's Laws of Motion. Topics include Newton's First, Second and Third Laws of Motion; dependency on frame of reference; the gravitational force; the fictitious force. 2022-11-07, ∼225🔥, 0💬

Relation of Momentum and Potential Energy
This section describes the Relation of Momentum and Potential Energy. 2022-10-07, ∼225🔥, 0💬

What Is Duration
This section introduces duration between two events. The standard unit of duration is called 'second', which is the duration of 9,192,631,770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the cesium 133 atom. 2022-10-04, ∼222🔥, 0💬

2-Dimensional Cartesian Coordinate System
This section provides an introduction of 2-dimensional Cartesian coordinate systems, which uses perpendicular projections on 2 perpendicular axes to describe any locations in the frame of reference. 2022-10-08, ∼221🔥, 0💬

What Is Lagrange Equation
This section describes the Lagrange Equation states that the time derivative of the partial derivative Lagrangian against velocity equals to the partial derivative Lagrangian against position. A proof is provided to show that the Lagrange Equation is equivalent to the Hamilton Principle. 2022-11-11, ∼220🔥, 0💬

Assumptions of Special Relativity
This section describes the two assumptions for the special theory of relativity proposed by Albert Einstein in 1905. 2022-10-10, ∼220🔥, 0💬

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Android ASP Astrology Big5 Bitcoin Blowfish Built-in C# Calendar CD-DVD Cheminformatics Chinese Cryptography DES Email Encoding Ethereum Flash GB2312 General H Herong History HTML Java JavaScript JDBC JSP JVM Linux Molecule Movie Music MySQL Neural Network Perl PHP Physics PKI Publication Python REST SOAP Sorting Swing TV Series UML Unicode VBScript Web Web-Services Windows WSDL XML XMLPad XSD XSL-FO