Deriving and Verifying the Relativity Formula for Electron Speed

In summary, the conversation discusses a speed function represented by the equation v(t) = At/√(1 + (At/c)^2), where A = qE/m. It is then suggested to verify that this function satisfies the equation dv/dt = (qE/m)(1-v^2/c^2)^(-3/2).
  • #1
Samkiwi
16
1
Homework Statement
I'm having trouble finding the proof of the relativistic acceleration formula starting from the velocity formula, I've been working on it for a long time but I can't solve this question. :)
Relevant Equations
electromagnetism and relativity
It is an electron initially pushed by the action of the electric field. The vectors of force and velocity are parallel to each other.

Here's the questionA possible expression of speed as a function of time is the following:

$$v(t) = \frac{At}{\sqrt{1 + (\frac{At}{c})^2}}$$where is it $$A =\frac{qE}{m}$$
Taking into account that [2] can be written in the equivalent form.
$$\frac{dv}{dt}=\frac{qE}{m}(1-\frac{v^{2}}{c^{2}})^{-\frac{3}{2}}[3]$$
verify by deriving and substituting that the function v (t) defined by [2] satisfies [3]
 
Last edited:
Physics news on Phys.org
  • #2
Try this: $$v(t) = \frac{At}{\sqrt{1 + (\frac{At}{c})^2}}$$
 
  • Love
Likes Samkiwi
  • #3
thanks:bow:
 

1. What is the proof of the relativity formula?

The proof of the relativity formula, also known as the Lorentz transformation, is based on the principles of special relativity proposed by Albert Einstein. It mathematically describes the relationship between space and time for objects moving at different velocities.

2. How is the relativity formula derived?

The relativity formula is derived using the postulates of special relativity, which state that the laws of physics are the same for all observers in uniform motion and that the speed of light is constant for all observers. By applying these postulates to the concept of relative motion, the relativity formula is obtained.

3. What is the significance of the relativity formula?

The relativity formula is significant because it revolutionized our understanding of space and time. It showed that the laws of physics are the same for all observers, regardless of their relative velocity, and that time and space are not absolute but are relative to the observer's frame of reference.

4. Can the relativity formula be proven experimentally?

Yes, the relativity formula has been extensively tested and confirmed through various experiments, such as the famous Michelson-Morley experiment and the Hafele-Keating experiment. These experiments have shown that the predictions of the relativity formula are accurate and consistent with our observations.

5. How is the relativity formula used in practical applications?

The relativity formula has many practical applications, including GPS technology, particle accelerators, and nuclear reactors. It is also essential in the field of astrophysics, where it is used to understand the behavior of objects moving at high speeds, such as stars and galaxies.

Similar threads

  • Introductory Physics Homework Help
Replies
25
Views
1K
  • Introductory Physics Homework Help
Replies
10
Views
332
  • Introductory Physics Homework Help
Replies
2
Views
817
  • Introductory Physics Homework Help
Replies
7
Views
1K
  • Introductory Physics Homework Help
Replies
15
Views
1K
Replies
13
Views
885
  • Introductory Physics Homework Help
Replies
19
Views
1K
  • Introductory Physics Homework Help
Replies
4
Views
566
  • Introductory Physics Homework Help
Replies
3
Views
364
  • Introductory Physics Homework Help
Replies
4
Views
596
Back
Top