Lorentz Transformation: Exploring Special Relativity

In summary, the conversation discusses the use of the Pythagorean theorem in three-dimensional space to calculate the length of the hypotenuse. The assumption being made is an extension of the two-dimensional version, where the square of the hypotenuse is equal to the sum of the squares of the two sides. The conversation ends with the clarification and understanding of this concept.
  • #1
Dark_knight90
14
0
Hello
This is a part of a simple paper about special relativity

[PLAIN]http://img15.imageshack.us/img15/8789/91001769.jpg

I don't understand the assumption in the red box .. why are they all squared ?

thank you
 
Last edited by a moderator:
Physics news on Phys.org
  • #2
Do you remember the Pythagorean rule? In two-dimensional space, [itex]\Delta x[/itex] and [itex]\Delta y[/itex] are the lengths of two sides of a right triangle, and [itex]\Delta r[/itex] is the length of the hypotenuse:

[tex](\Delta r)^2 = (\Delta x)^2 + (\Delta y)^2[/tex]

What you have is the three-dimensional version.
 
  • #3
That's basically an extension of the Pythagorean theorem which states that in a right triangle, the square of the length of the hypotenuse is equal to the sum of the squares of the lengths of the two sides. You can then repeat the process, adding in the square of the length of the third side giving you the square of the total length.
 
  • #4
Got it .. Thank you :)
 

1. What is the Lorentz Transformation and how does it relate to special relativity?

The Lorentz Transformation is a mathematical formula used to describe how measurements of time and space change for objects moving at high speeds. It is a crucial component of Albert Einstein's theory of special relativity, which states that the laws of physics are the same for all observers in uniform motion.

2. How is the Lorentz Transformation derived?

The Lorentz Transformation is derived from the postulates of special relativity, which are the principle of relativity (the laws of physics are the same in all inertial reference frames) and the constancy of the speed of light in a vacuum. These postulates lead to the equations that describe how time and space measurements change for moving objects.

3. What are the key concepts of Lorentz Transformation?

There are several key concepts in Lorentz Transformation, including time dilation (the slowing of time for a moving object), length contraction (the shortening of an object in the direction of motion), and the relativity of simultaneity (the idea that two events may appear simultaneous to one observer, but not to another). These concepts help explain the strange phenomena that occur at high speeds and are essential to understanding special relativity.

4. How does the Lorentz Transformation affect our understanding of space and time?

The Lorentz Transformation has had a significant impact on our understanding of space and time. It showed that time and space are relative and can appear differently to different observers depending on their relative speeds. It also led to the famous equation E=mc², which relates mass and energy and has had a profound impact on modern physics.

5. What are some practical applications of the Lorentz Transformation?

The Lorentz Transformation has many practical applications, including in particle accelerators, GPS systems, and nuclear energy. It also plays a critical role in modern technologies such as GPS and satellite communications, which rely on precise measurements of time and space. Additionally, the principles of Lorentz Transformation are used in various fields of engineering and physics to make accurate calculations and predictions about the behavior of objects in motion.

Similar threads

  • Special and General Relativity
Replies
33
Views
2K
  • Special and General Relativity
3
Replies
101
Views
3K
  • Special and General Relativity
Replies
22
Views
1K
  • Special and General Relativity
Replies
10
Views
600
  • Special and General Relativity
Replies
5
Views
956
  • Special and General Relativity
Replies
11
Views
1K
  • Special and General Relativity
3
Replies
93
Views
4K
  • Special and General Relativity
Replies
33
Views
2K
  • Special and General Relativity
Replies
22
Views
1K
  • Special and General Relativity
Replies
1
Views
1K
Back
Top