# Physics Tutorial 18.6 - Relativistic Dynamics. Mass, Impulse and Energy in Relativity

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There are 3 lessons in this physics tutorial covering Relativistic Dynamics. Mass, Impulse and Energy in Relativity. The tutorial starts with an introduction to Relativistic Dynamics. Mass, Impulse and Energy in Relativity and is then followed with a list of the separate lessons, the tutorial is designed to be read in order but you can skip to a specific lesson or return to recover a specific physics lesson as required to build your physics knowledge of Relativistic Dynamics. Mass, Impulse and Energy in Relativity. you can access all the lessons from this tutorial below.

In this Physics tutorial, you will learn:

• How to find the mass of particles in relativistic events?
• How to find the impulse of particles in relativistic events?
• What is the rest mass?
• How to find the particles energy in relativistic events?
• What is relativistic energy of motion?
• What happens to energy of particles when switching from one inertial system of reference to another?

## Introduction

So far, we have discussed a list of topics that belong to relativistic kinematics. They include the spacetime coordinates of physical events and the relationship between them, such as changes in length and time, changes in the observable frequency, etc.

Now, we will deal with concepts and quantities belonging to relativistic dynamics, i.e. situations involving mass, impulse and energy in relativistic events. In this tutorial, we will see what radical changes the Einstein theory brought in this regard.

Please select a specific "Relativistic Dynamics. Mass, Impulse and Energy in Relativity" lesson from the table below, review the video tutorial, print the revision notes or use the practice question to improve your knowledge of this physics topic.

Relativity Learning Material
Tutorial IDPhysics Tutorial TitleTutorialVideo
Tutorial
Revision
Notes
Revision
Questions
18.6Relativistic Dynamics. Mass, Impulse and Energy in Relativity
Lesson IDPhysics Lesson TitleLessonVideo
Lesson
18.6.1Mass in Relativistic Events
18.6.2Impulse in Relativistic Events
18.6.3Energy in Relativistic Events. Relativistic Energy of Motion

## Whats next?

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4. Check your calculations for Relativity questions with our excellent Relativity calculators which contain full equations and calculations clearly displayed line by line. See the Relativity Calculators by iCalculator™ below.
5. Continuing learning relativity - read our next physics tutorial: Relativity. Galilean Transformations. Einstein's Postulates and Newton's Laws

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