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  1. Naked Science Forum
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  4. Kinetic Energy - Only Half of the 'Picture'?
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Kinetic Energy - Only Half of the 'Picture'?

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Offline QuantumClue

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Kinetic Energy - Only Half of the 'Picture'?
« Reply #20 on: 23/11/2010 20:51:11 »
Quote from: Bored chemist on 22/11/2010 19:09:28
There's a book called "why does E =MC2?"
I commend it to you.
http://www.amazon.co.uk/Why-Does-mc2-Should-Care/dp/0306817586

(other textbooks are available)

It an ''ok'' book. I'd prefer the OP to read E=Mc^2 by David (forget the second name). Very good book. More impressed with it than the other one by Brian Cox.
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Offline peppercorn

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Kinetic Energy - Only Half of the 'Picture'?
« Reply #21 on: 23/11/2010 21:07:20 »
Funny how things unexpectedly shrink away to nothing - Posts, I mean of course [:D]
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Offline QuantumClue

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Kinetic Energy - Only Half of the 'Picture'?
« Reply #22 on: 23/11/2010 22:33:12 »
Quote from: peppercorn on 23/11/2010 21:07:20
Funny how things unexpectedly shrink away to nothing - Posts, I mean of course [:D]
Slightly.

Expecting it to happen to mine too.
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Offline JP

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Kinetic Energy - Only Half of the 'Picture'?
« Reply #23 on: 24/11/2010 02:48:21 »
Quote from: 5nutjob on 23/11/2010 18:21:43
Quote from: JP on 22/11/2010 23:26:43
This question, and a lot of the questions you're asking on the forum, could be easily answered if you read some textbooks on physics or chemistry, or if you were willing to listen to explanations from those who have studied those subjects.  However, you don't seem willing to do so.

Answered?? ..... certainly not;- Incidentally, I can be insanely enthusiastic, with attention focus a-go-go, but only if the advice has some concrete reasoning, and this is so astoundingly not happening here.  [:I]


You're too brilliant to learn from a textbook and yet you consistently get fundamental things wrong in your explanations?  The question you're asking here can be answered easily, but to get at the "why" of them, you need to understand some basic physics.  Unless someone has the time to teach you basic mechanics and relativity over the forum, your best bet to get that competency is to read some books.

I've been looking for an excuse to post this for a while, so here's Feynman on why certain things are hard to explain, especially when you lack the fundamentals:

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Offline peppercorn

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Kinetic Energy - Only Half of the 'Picture'?
« Reply #24 on: 24/11/2010 11:12:31 »
Quote from: JP on 24/11/2010 02:48:21
The question you're asking here can be answered easily, but to get at the "why" of them, you need to understand some basic physics.  Unless someone has the time to teach you basic mechanics and relativity over the forum, your best bet to get that competency is to read some books.

I've been looking for an excuse to post this for a while, so here's Feynman on why certain things are hard to explain, especially when you lack the fundamentals:

At this stage I would really like one of those 'good answer' buttons that some other forums employ. Really nice video link BTW!
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Offline 5nutjob (OP)

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Kinetic Energy - Only Half of the 'Picture'?
« Reply #25 on: 24/11/2010 21:23:20 »
Quote from: JP on 24/11/2010 02:48:21
Quote from: 5nutjob on 23/11/2010 18:21:43
Quote from: JP on 22/11/2010 23:26:43
This question, and a lot of the questions you're asking on the forum, could be easily answered if you read some textbooks on physics or chemistry, or if you were willing to listen to explanations from those who have studied those subjects.  However, you don't seem willing to do so.

Answered?? ..... certainly not;- Incidentally, I can be insanely enthusiastic, with attention focus a-go-go, but only if the advice has some concrete reasoning, and this is so astoundingly not happening here.  [:I]


You're too brilliant to learn from a textbook and yet you consistently get fundamental things wrong in your explanations?  The question you're asking here can be answered easily, but to get at the "why" of them, you need to understand some basic physics.  Unless someone has the time to teach you basic mechanics and relativity over the forum, your best bet to get that competency is to read some books.

I've been looking for an excuse to post this for a while, so here's Feynman on why certain things are hard to explain, especially when you lack the fundamentals:
http://www.youtube.com/watch?v=wMFPe-DwUL

I'd much prefer to lack the essential basics, than to example psychotic clowns, as a basis for arguement;- dear, oh dear father of extreme non-retardism!
 
 Exhibit A; http://www.youtube.com/watch?v=HKTSaezB4p8?  [:I]





« Last Edit: 24/11/2010 21:36:13 by 5nutjob »
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Offline JP

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Kinetic Energy - Only Half of the 'Picture'?
« Reply #26 on: 25/11/2010 03:37:15 »
3rd option it is, then!
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Offline 5nutjob (OP)

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Kinetic Energy - Only Half of the 'Picture'?
« Reply #27 on: 28/11/2010 09:34:49 »
Hey, thought up a way of proving/disproving my concept, by means of a modified Cathode Ray Tube .....  [:D] Particle pairs (e-/e+) can be created from > 1.02 MeV gamma photon interaction with matter, right? - So, like, Cobalt 60 produces these in veritable abundance. If I'm correct;- by deflecting electrons onto a screen, the positrons will also be deflected; therefore, the Lorentz force will be duplicated, as it will be seen to be acting on both particles.


See my totally outstanding sketch here;-
 http://img338.imageshack.us/i/modifiedcrt.jpg/  [:D]
« Last Edit: 28/11/2010 13:19:59 by 5nutjob »
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Offline Bored chemist

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Kinetic Energy - Only Half of the 'Picture'?
« Reply #28 on: 28/11/2010 10:55:05 »
If you had, as various people suggested, done some basic reading you would know that a magnetic field deflects electrons, but doesn't do any work on them because the force is perpendicular to the movement.

So your comment about "...thus proving work done on an electron..." isn't true.
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