A Physics forum. Physics Banter

If this is your first visit, be sure to check out the FAQ by clicking the link above. You may have to register before you can post: click the register link above to proceed. To start viewing messages, select the forum that you want to visit from the selection below.

Go Back   Home » Physics Banter forum » Physics Newsgroups » The Theory of Relativity
Site Map Home Register Authors List Search Today's Posts Mark Forums Read Web Partners

Tags: , , , ,

What's the energy got to do with the speed of light?



 
 
Thread Tools Display Modes
  #1  
Old May 11th 08 posted to alt.sci.physics,sci.physics,sci.physics.relativity
Jacques[_2_]
external usenet poster
 
Posts: 6
Default What's the energy got to do with the speed of light?

Hi everybody,

I have a question which bothers me since long time and maybe with your help
I can find the answer at last. Since I heard the formule E=mc^2 for the
first time it struck me that there seems to be no logical relation between
the energy contained in a mass and the speed of light. I have no
difficulties to understand that the energy contained in a mass is equivalent
to that mass.

My problem is: what the hell has this to do with the speed of something else
(an electromagnetic wave). I cannot see the connection between them. These
two things: mass and energy on one side and the speed of light on the other
side seem too disparate to me to allow a logical link between them.

I wonder, if someone can explain this connection. I wouldn't have been
surprised if the Joule (the unit for energy) had been established in
consequence of this formula, but I think both Joule, kg, m/s were already
existent before E=mc^2.

I learned from Wikipedia that James Joule died in 1889, thus before Einstein
discovered his famous formula, which I think happened in 1905.

Greetings
Jacques


Ads
  #2  
Old May 11th 08 posted to alt.sci.physics,sci.physics,sci.physics.relativity
N:dlzc D:aol T:com \(dlzc\)[_1227_]
external usenet poster
 
Posts: 1
Default What's the energy got to do with the speed of light?

Dear Jacques:

"Jacques" wrote in message
...
....
I have a question which bothers me since long time
and maybe with your help I can find the answer at
last. Since I heard the formule E=mc^2 for the first
time it struck me that there seems to be no logical
relation between the energy contained in a mass
and the speed of light.


How about as a "constant of integration"?

I have no difficulties to understand that the energy
contained in a mass is equivalent to that mass.


Then let c = 1. There are units systems where that is true. You
just have to do "simple" conversions to get from those systems to
the more familiar mks, cgs, or fps systems.

My problem is: what the hell has this to do with
the speed of something else (an electromagnetic
wave). I cannot see the connection between them.


What is the upper limit speed that mass can have? What is the
fastest speed that the EM binding forces that hold that mass
together has?

These two things: mass and energy on one side
and the speed of light on the other side seem too
disparate to me to allow a logical link between them.


I'm sorry. Consider the Universe it is embedded in then.

I wonder, if someone can explain this connection.
I wouldn't have been surprised if the Joule (the unit
for energy) had been established in consequence of
this formula, but I think both Joule, kg, m/s were
already existent before E=mc^2.


But "units systems" will not hold an answer for you either way.

I learned from Wikipedia that James Joule died in
1889, thus before Einstein discovered his famous
formula, which I think happened in 1905.


http://www.bautforum.com/archive/index.php/t-541.html
.... it has a varied history, with different constants (but still
involving c).

David A. Smith


  #3  
Old May 11th 08 posted to alt.sci.physics,sci.physics,sci.physics.relativity
Androcles[_7_]
external usenet poster
 
Posts: 3,083
Default What's the energy got to do with the speed of light?


"Jacques" wrote in message
...
| Hi everybody,
|
| I have a question which bothers me since long time and maybe with your
help
| I can find the answer at last. Since I heard the formule E=mc^2 for the
| first time it struck me that there seems to be no logical relation between
| the energy contained in a mass and the speed of light. I have no
| difficulties to understand that the energy contained in a mass is
equivalent
| to that mass.
|
| My problem is: what the hell has this to do with the speed of something
else
| (an electromagnetic wave). I cannot see the connection between them. These
| two things: mass and energy on one side and the speed of light on the
other
| side seem too disparate to me to allow a logical link between them.
|
| I wonder, if someone can explain this connection. I wouldn't have been
| surprised if the Joule (the unit for energy) had been established in
| consequence of this formula, but I think both Joule, kg, m/s were already
| existent before E=mc^2.
|
| I learned from Wikipedia that James Joule died in 1889, thus before
Einstein
| discovered his famous formula, which I think happened in 1905.
|
Nothing remarkable about it all.
http://www.androcles01.pwp.blueyonde.../DeriveMC2.htm
http://www.androcles01.pwp.blueyonder.co.uk/MC2.htm


--
This message is brought to you by Androcles
http://www.androcles01.pwp.blueyonder.co.uk/



  #4  
Old May 11th 08 posted to alt.sci.physics,sci.physics,sci.physics.relativity
PCB
external usenet poster
 
Posts: 46
Default What's the energy got to do with the speed of light?

On May 11, 6:14 pm, "Jacques" wrote:
Hi everybody,

I have a question which bothers me since long time and maybe with your help
I can find the answer at last. Since I heard the formule E=mc^2 for the
first time it struck me that there seems to be no logical relation between
the energy contained in a mass and the speed of light. I have no
difficulties to understand that the energy contained in a mass is equivalent
to that mass.


What is there to be understood, and why should that be difficult?

It seems rather that it is a question of accept not understanding.

Are you sure you still understand?

Why than was that difficult?


My problem is: what the hell has this to do with the speed of something else
(an electromagnetic wave). I cannot see the connection between them. These
two things: mass and energy on one side and the speed of light on the other
side seem too disparate to me to allow a logical link between them.

I wonder, if someone can explain this connection. I wouldn't have been
surprised if the Joule (the unit for energy) had been established in
consequence of this formula, but I think both Joule, kg, m/s were already
existent before E=mc^2.

I learned from Wikipedia that James Joule died in 1889, thus before Einstein
discovered his famous formula, which I think happened in 1905.

Greetings
Jacques


  #5  
Old May 11th 08 posted to alt.sci.physics,sci.physics,sci.physics.relativity
PCB
external usenet poster
 
Posts: 46
Default What's the energy got to do with the speed of light?



N:dlzc D:aol T:com (dlzc) wrote:
Dear Jacques:

"Jacques" wrote in message
...
...
I have a question which bothers me since long time
and maybe with your help I can find the answer at
last. Since I heard the formule E=mc^2 for the first
time it struck me that there seems to be no logical
relation between the energy contained in a mass
and the speed of light.


How about as a "constant of integration"?

I have no difficulties to understand that the energy
contained in a mass is equivalent to that mass.


Then let c = 1. There are units systems where that is true. You


Seems to be wrong: Speed of light is much higher than 1.

1 is like staying still.

just have to do "simple" conversions to get from those systems to
the more familiar mks, cgs, or fps systems.

My problem is: what the hell has this to do with
the speed of something else (an electromagnetic
wave). I cannot see the connection between them.


What is the upper limit speed that mass can have? What is the


We dont know. Much lesser than c.

How much is that?

fastest speed that the EM binding forces that hold that mass
together has?


Has anyone really ever measured EM binding forces?

How they did that?


These two things: mass and energy on one side
and the speed of light on the other side seem too
disparate to me to allow a logical link between them.


I'm sorry. Consider the Universe it is embedded in then.


Looks rather that them are embedded in Universe.

Which one is bigger?


I wonder, if someone can explain this connection.
I wouldn't have been surprised if the Joule (the unit
for energy) had been established in consequence of
this formula, but I think both Joule, kg, m/s were
already existent before E=mc^2.


But "units systems" will not hold an answer for you either way.

I learned from Wikipedia that James Joule died in
1889, thus before Einstein discovered his famous
formula, which I think happened in 1905.


http://www.bautforum.com/archive/index.php/t-541.html
... it has a varied history, with different constants (but still
involving c).

David A. Smith

  #6  
Old May 11th 08 posted to alt.sci.physics,sci.physics,sci.physics.relativity
Leonardo Been
external usenet poster
 
Posts: 47
Default What's the energy got to do with the speed of light?

Nothing remarkable indeed, because, as "Jacques" pointed out:

'Thus Einstein's E = mc2 is actually derived from Newtonian Mechanics.'

It does however not seem to answer the original poster's question.

_____________
On Sun, 11 May 2008 17:51:50 +0100, Androcles wrote:


"Jacques" wrote in message
...
| Hi everybody,
|
| I have a question which bothers me since long time and maybe with your
help
| I can find the answer at last. Since I heard the formule E=mc^2 for the
| first time it struck me that there seems to be no logical relation
| between the energy contained in a mass and the speed of light. I have
| no difficulties to understand that the energy contained in a mass is
equivalent
| to that mass.
|
| My problem is: what the hell has this to do with the speed of something
else
| (an electromagnetic wave). I cannot see the connection between them.
| These two things: mass and energy on one side and the speed of light on
| the
other
| side seem too disparate to me to allow a logical link between them.
|
| I wonder, if someone can explain this connection. I wouldn't have been
| surprised if the Joule (the unit for energy) had been established in
| consequence of this formula, but I think both Joule, kg, m/s were
| already existent before E=mc^2.
|
| I learned from Wikipedia that James Joule died in 1889, thus before
Einstein
| discovered his famous formula, which I think happened in 1905.
|
Nothing remarkable about it all.
http://www.androcles01.pwp.blueyonde.../DeriveMC2.htm
http://www.androcles01.pwp.blueyonder.co.uk/MC2.htm


  #7  
Old May 11th 08 posted to alt.sci.physics,sci.physics,sci.physics.relativity
Jacques[_2_]
external usenet poster
 
Posts: 6
Default What's the energy got to do with the speed of light?

Dear David,

"N:dlzc D:aol T:com (dlzc)" schrieb im Newsbeitrag
...

Then let c = 1. There are units systems where that is true.


I have no problems to understand that. The consequence of it is E=m, meaning
that double mass contains double energy and half of the mass contains half
of the energy. What puzzles me is that you can multiply the mass in kg by
the square of the speed of light in m/s and you obtain exacltly the energy
in joule. How is this possible? If it is not a mere coincidence, which it is
not likely to be, how is it possible? What is the explanation of this
extraordinary fact?

I hope you understand my question.

Thanks
Jacques


  #8  
Old May 11th 08 posted to alt.sci.physics,sci.physics,sci.physics.relativity
Igor
external usenet poster
 
Posts: 3,471
Default What's the energy got to do with the speed of light?

On May 11, 12:14*pm, "Jacques" wrote:
Hi everybody,

I have a question which bothers me since long time and maybe with your help
I can find the answer at last. Since I heard the formule E=mc^2 for the
first time it struck me that there seems to be no logical relation between
the energy contained in a mass and the speed of *light. I have no
difficulties to understand that the energy contained in a mass is equivalent
to that mass.

My problem is: what the hell has this to do with the speed of something else
(an electromagnetic wave). I cannot see the connection between them. These
two things: mass and energy on one side and the speed of light on the other
side seem too disparate to me to allow a logical link between them.

I wonder, if someone can explain this connection. I wouldn't have been
surprised if the Joule (the unit for energy) had been established in
consequence of this formula, but I think both Joule, kg, m/s were already
existent before E=mc^2.

I learned from Wikipedia that James Joule died in 1889, thus before Einstein
discovered his famous formula, which I think happened in 1905.

Greetings
Jacques


Einstein showed that energy was proportional to mass. The
proportionality constant just happens to be c^2, which is an arbitrary
constant, the square of the speed of light in vacuum. That's all
there is to it. I think you are trying to read a lot more into it
than what is actually there.

  #9  
Old May 11th 08 posted to alt.sci.physics,sci.physics,sci.physics.relativity
Igor
external usenet poster
 
Posts: 3,471
Default What's the energy got to do with the speed of light?

On May 11, 1:06*pm, PCB wrote:
N:dlzc D:aol T:com (dlzc) wrote:





Dear Jacques:


"Jacques" wrote in message
...
...
I have a question which bothers me since long time
and maybe with your help I can find the answer at
last. Since I heard the formule E=mc^2 for the first
time it struck me that there seems to be no logical
relation between the energy contained in a mass
and the speed of *light.


How about as a "constant of integration"?


I have no difficulties to understand that the energy
contained in a mass is equivalent to that mass.


Then let c = 1. *There are units systems where that is true. *You


Seems to be wrong: Speed of light is much higher than 1.

1 is like staying still.


No. Zero is like staying still.

  #10  
Old May 11th 08 posted to alt.sci.physics,sci.physics,sci.physics.relativity
Leonardo Been
external usenet poster
 
Posts: 47
Default You mean, "What's MASS got to do with the speed of light?" - NOTHING - (see inside)

There IS NO logical or any other relation "between the energy contained in
a mass and the speed of light" (your words).

'

A moving mass can 'exert,' give off - and thus "contains" - the energy,
equivalent to the size of the mass AND equivalent to the square of the
speed it has - to hit something else with; and that defines energy in
Coarse Particle Physics (CPP).

Newton already formulated that - (but he was wise enough to publish it
before the 'invention' of the Nobel Prize for Physics .

'

Thus it, the mass of the photon, with its speed of light, hits an
electron, and that electron now has obtained the available energy,
as equivalent to mass times velocity squared, from the photon.

In other words, photons are particles (that additionally vibrate as well).

This last sentence they did not pronounce, at your school, I assume - (in
order to discourage or even to disable you from studying physics .

'

It's really very simple - for those with some Sanity - relatively
speaking, of course.

But simplicity and truth is most violently and most intelligently
OPPOSED by the very Insane and Malicious - and with great success.

'

The very highly Insane Einstein, (Albert) has DESTROYED physics,
and the equally Insane Hawking, (Stephen) really finished it off -
the job of (jamming, blocking, diverting) destroying physics.

Tells you more than enough about other "physicists" who worship and who
believe in those very destructive (and in other) gurus, RATHER than to
observe and to think by themselves.


Copyright 2008 by Koos Nolst Trenite - human rights philosopher
and poet
This is 'learnware' - it may not be altered, and it is free for
anyone who learns from it and (even if he can not learn from it)
who passes it on unaltered, and with this message included,
to others who might be able to learn from it.
None of my writings may be used, ever, to support any political
or religious or scientific 'agenda,' but only to educate, and to
encourage people to judge un-dominated and for themselves,
about any organizations or individuals.
Send free-of-Envy and free-of-Hate, Beautiful e-mails to:
PlatoWorld at Lycos.com


'

_______________
On Sun, 11 May 2008 18:14:19 +0200, Jacques wrote:

Hi everybody,

I have a question which bothers me since long time and maybe with your
help I can find the answer at last. Since I heard the formule E=mc^2 for
the first time it struck me that there seems to be no logical relation
between the energy contained in a mass and the speed of light. I have no
difficulties to understand that the energy contained in a mass is
equivalent to that mass.

My problem is: what the hell has this to do with the speed of something
else (an electromagnetic wave). I cannot see the connection between them.
These two things: mass and energy on one side and the speed of light on
the other side seem too disparate to me to allow a logical link between
them.

I wonder, if someone can explain this connection. I wouldn't have been
surprised if the Joule (the unit for energy) had been established in
consequence of this formula, but I think both Joule, kg, m/s were already
existent before E=mc^2.

I learned from Wikipedia that James Joule died in 1889, thus before
Einstein discovered his famous formula, which I think happened in 1905.

Greetings
Jacques


 




Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

vB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
What's the energy got to do with the speed of light? Jacques[_2_] Physics - General Discussion 34 May 13th 08 05:03 AM
speed of light to energy conversion my cat The Theory of Relativity 0 July 14th 07 11:24 AM
At the Speed of Light Stuff is Not Relative To Time Energy andMatter G=EMC^2 Glazier Physics - General Discussion 2 February 22nd 07 08:18 PM
Proton Energy At Rest vs. Proton Energy Near Speed of Light - Smart Model S. Enterprize Company Physics - New Theories 1 July 14th 03 06:42 AM
Proton Energy At Rest vs. Proton Energy Near Speed of Light - Smart Model S. Enterprize Company Physics - General Discussion 1 July 12th 03 03:46 AM


All times are GMT +1. The time now is 01:46 PM.


Powered by vBulletin® Version 3.6.4
Copyright ©2000 - 2008, Jelsoft Enterprises Ltd.Search Engine Friendly URLs by vBSEO 2.4.0
Copyright ©2004-2008 Physics Banter, part of the NewsgroupBanter project.
The comments are property of their posters.
Php Scripts - Discount Magazine Subscriptions - Loans - Credit Card Debt Consolidation - Berlin