Can someone describe E=mc^2 to me in laymans terms

  • Context: High School 
  • Thread starter Thread starter Niaboc67
  • Start date Start date
  • Tags Tags
    E=mc^2 Terms
Click For Summary

Discussion Overview

The discussion centers around the request for a layman's explanation of the equation E=mc², focusing on its meaning and implications in simple terms. Participants explore the concept of mass-energy equivalence and its significance without delving into complex technicalities.

Discussion Character

  • Conceptual clarification
  • Exploratory

Main Points Raised

  • One participant requests a basic explanation of E=mc², emphasizing the need for clarity and detail.
  • Another participant provides a simplified equation, stating that energy equals mass times the speed of light squared, and notes the large values that can result from this equation.
  • A further explanation is offered using the example of a hydrogen atom, highlighting its small mass and the large energy value obtained when applying the equation.
  • Links to external resources, including a Wikipedia page and a blog post, are shared for additional context.

Areas of Agreement / Disagreement

Participants do not express disagreement, but there is no consensus on a singular layman's explanation, as responses vary in detail and approach.

Contextual Notes

Some participants provide links to external resources, which may contain additional information or perspectives not fully covered in the thread.

Who May Find This Useful

Individuals seeking a basic understanding of mass-energy equivalence, particularly those unfamiliar with physics concepts.

Niaboc67
Messages
249
Reaction score
3
Please do your best to describe E=Mc^2 to me in the most plain English you know and as basic as possible without leaving out details. Any links you think would help would be great.

Thank you
 
Physics news on Phys.org
I'm not sure if this really helps:

Energy = Mass*(speed of light)^2

You probably already know this. However, in case you don't, I hope this helps. As you can see, this number can get very large. Anyway, imagine a hydrogen atom - essentially a proton. This hydrogen atom has a very small mass (can't remember what it was in kg). To find the energy of this hydrogen atom- just multiply by the square of the speed of light - which should amount to a fairly large number in comparison to the mass of a hydrogen atom. This is because the theorem above states the amount of energy that the mass would be turned into if it was turned into raw energy!

Once again- hope this helps!
 
Last edited by a moderator:
https://www.physicsforums.com/blog.php?b=3588
 
Last edited by a moderator:

Similar threads

  • · Replies 2 ·
Replies
2
Views
2K
  • · Replies 9 ·
Replies
9
Views
6K
  • · Replies 13 ·
Replies
13
Views
7K
  • · Replies 4 ·
Replies
4
Views
2K
  • · Replies 11 ·
Replies
11
Views
5K
  • · Replies 6 ·
Replies
6
Views
3K
  • · Replies 13 ·
Replies
13
Views
3K
  • · Replies 7 ·
Replies
7
Views
5K
  • · Replies 124 ·
5
Replies
124
Views
18K
  • · Replies 9 ·
Replies
9
Views
2K