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Length Contraction Formula and Lorentz Factor
This section provides steps to derive the length contraction formula expressed with the Lorentz factor, based a thought experiment and the time dilation formula. 2022-10-05, ∼509🔥, 0💬

Falling Ball in Earth Frame of Reference
This section provides an example of a falling ball in the Earth frame of reference, where we need to add the gravitational force to make Newton's First and Second Laws of Motion valid. 2023-03-18, ∼504🔥, 1💬

Demonstration of Time Dilation - Amy on the Train
This section provides a thought experiment to demonstrate time dilation by starting with Amy synchronizing a clock with a bouncing light pulse on a moving train. 2022-10-04, ∼491🔥, 0💬

Time Dilation in Special Relativity
This chapter provides an introduction of time dilation in special relativity. Topics include a thought experiment showing time dilation; calculation of time dilation factor (Lorentz Factor); reciprocity of time dilation; elapsed time of distant event. 2022-10-13, ∼485🔥, 0💬

Meter Prefixes and Other Units
This section introduces prefixes used on 'meter' to represent decadic multiples or fractions of a meter. It also covers other standard units to measure distances like foot, mile, nautical mile and lightyear. 2022-10-12, ∼477🔥, 0💬

Demonstration of Length Contraction
This section provides a thought experiment to demonstrate length contraction using a laser meter to observe and calculate the length of a carriage on a moving train from two different frames of references. 2022-10-11, ∼476🔥, 0💬

Second Prefixes and Other Units
This section introduces prefixes used on 'second' to represent decadic multiples or fractions of a second. It also covers other standard units to measure durations like minute, hour, day and year. 2022-10-11, ∼472🔥, 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, ∼468🔥, 0💬

Minkowski Spacetime and Diagrams
This chapter provides an introduction of Minkowski spacetime and diagram. Topics include introduction of Minkowski spacetime model; events interval; Lorentz transformation; Minkowski diagram; demonstration of time dilation and length contraction in Minkowski diagram. 2022-10-05, ∼460🔥, 0💬

Lagrange Equation on Free Fall Motion
This section provides an example of applying the Lagrange Equation to an object in free fall motion. 2022-10-10, ∼457🔥, 0💬

Time Dilation - Moving Clock Is Slower
This section provides a quick introduction on time dilation, a phenomenon of difference of elapsed time between two events as measured by observers in different inertial frames that are moving relative to each other. 2022-10-06, ∼456🔥, 0💬

Action - Functional of Position Function x(t)
This section describes the Action S as a functional of position function x(t). 2022-11-20, ∼452🔥, 0💬

Phase Portrait of Pendulum Motion
This section provides phase portrait examples for single object in simple pendulum motion. 2022-10-08, ∼441🔥, 0💬

The Relativity of Simultaneity
This chapter provides an introduction of the relativity of simultaneity in special relativity. Topics include the definition of the relativity of simultaneity; a thought experiment showing the relativity of simultaneity. 2022-10-14, ∼433🔥, 0💬

What Is Phase Portrait
This section provides an introduction to Phase Portrait, which is the trajectory curve of a system in the the Phase Space for a given period of time. 2022-10-05, ∼420🔥, 0💬

Phase Space and Phase Portrait
This chapter provides an introduction of phase space and phase portrait. Topics include introduction of canonical coordinates of a system; trajectory curves of a system for a given period of time; phase portraits of free fall, simple harmonic, and pendulum motions; motion equations of linear systems... 2022-10-08, ∼419🔥, 0💬

What Is Phase Space
This section provides a quick introduction to Phase Space, which is the collection of all possible sets of canonical coordinates (q,p) of a system. 2022-10-31, ∼418🔥, 0💬

Poisson Bracket Expression
This chapter provides an introduction of phase space and phase portrait. Topics include Poisson Bracket as a partial differential expression; Hamilton Equations in Poisson Brackets; total time derivative of observables. 2024-12-14, ∼415🔥, 0💬

Length Contraction - Moving Object Is Shorter
This section provides a quick introduction on length contraction, a phenomenon of difference of object lengths in the moving direction as measured by observers in different inertial frames that are moving relative to each other. 2022-10-06, ∼414🔥, 0💬

About This Book
This section provides some detailed information about this book - Physics Notes - Herong's Tutorial Notes. 2022-10-11, ∼413🔥, 0💬

Hamiltonian on Simple Harmonic Motion
This section provides an example of calculating the Hamiltonian on a mechanical system of an single object in simple harmonic motion and applying the Law of Conservation of Energy. 2022-11-16, ∼412🔥, 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, ∼406🔥, 0💬

Elapsed Time between Distant Events
This section provides a thought experiment to demonstrate that elapsed times between two events that happen at different locations in a moving frame may be observed as contracted or dilated from a stationary frame. 2022-11-07, ∼404🔥, 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, ∼402🔥, 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