Lecture

Circular Motion: Uniform Circular Motion in a Train

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In course

PHYS-101(a): General physics : mechanics

Le but du cours de physique générale est de donner à l'étudiant les notions de base nécessaires à la compréhension des phénomènes physiques. L'objectif est atteint lorsque l'étudiant est capable de prévoir quantitativement les conséquences de ces phénomène ...

Description

This lecture covers the concept of uniform circular motion in a train, expressing the position, velocity, and acceleration of an object moving in a circular path. It also discusses the example of an airplane flying with a crosswind, determining its speed relative to the wind and the required heading. The instructor explains the vector position, velocity, and acceleration in different reference frames, such as the train and the laboratory. Additionally, it explores the retrogradation of Mars as seen from Earth, considering the orbits of Earth and Mars around the Sun. The lecture delves into the trajectory of Mars from Earth, the retrogradation phenomenon, and the different reference frames used to analyze celestial motions.

Instructor

Jean-Philippe Hogge

Teaching & PhD PhD Students Constant Philippe Panisset, Pierrick Paul Louis Giroud-Garampon Past EPFL PhD Students Sudheer Kumar Jawla, Guillaume Michel Le Bars Past EPFL PhD Students as codirector Falk Braunmüller Courses Fusion and industrial plasma technologies PHYS-632 The course provides an overview of the technologies that are essential for fusion developments and for industrial plasmaapplications, highlighting the synergies between the two fields. The aim is to provide a combined th

Official source

Ontological neighbourhood

Physics

Mechanics: Classical mechanics

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Mortal sin

A mortal sin (peccatum mortale), in Catholic theology, is a gravely sinful act which can lead to damnation if a person does not repent of the sin before death. It is alternatively called deadly, grave, and serious. A sin is considered to be "mortal" when its quality is such that it leads to a separation of that person from God's saving grace. Three conditions must together be met for a sin to be mortal: "Mortal sin is sin whose object is grave matter and which is also committed with full knowledge and deliberate consent.

Christian views on sin

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