Bjarne on: Dark Energy, only an illusion.

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Bjarne said:
Nothing but warm air

Converted HA HA HA

You cant "point on it" can you ?

http://www.internationalskeptics.com/forums/images/smilies/doglaugh.gif

"Converted" to temperary blue air maybe

HA HA HA HA HOW FUNNY
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Nothing but warm air and ignorance: The fatal flaws and basic ignorance in Bjarne's ideas in his threads

Converted like energy is converted every day HA HA HA

I can "point on it"!

:dl:​

"Converted" to gravitational potential energy as any high school student knows

HA HA HA HA HOW FUNNY you are Bjarne. Please continue to display your ignorance of physics.
 
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For the information of lurkers (not that you do not already know this from high school :D !):
The reason that this is really, really basic physics is contained in this example
Throw a ball straight up in the air.
Note that it does not continue out into space travelling forever. It slows down, stops and falls back to the ground.

Where does its kinetic energy go when it slows down?
The answer is that the ball has two types of energy
  • The kinetic energy due to its speed.
  • The gravitational potential energy due to the Earth's gravitational field. It is this that Bjarne is ignorant of.
As the ball gets higher it loses kinetic energy and gains potential energy. When the ball drops it gains kinetic energy and loses potential energy.
​
Textbooks usually go onto considering a ball thrown at an angle or a cannon ball shoot from a cannon. It is easy then to see that if the ball is thrown hard enough, when it drops again it will miss hitting the Earth's surface because the Earth is a sphere.
This is an orbit.
 
Bjarne, where does the kinetic energy of a ball thrown upwards go

First asked 19 May 2010
Bjarne,
Throw a ball straight up. Observe that it slows down and loses kinetic energy.
Where does this kinetic energy go?

and
First asked 19 May 2010
Bjarne,
Throw a ball up at an angle really hard so that it falls back 6378 kilometers away at the other side of the Earth. Observe that it slows down and loses kinetic energy until it gets to the top of its flight

Where did the kinetic energy go in the first part of the flight?
Where did the kinetic energy come from in the second part of the flight?
​
and
First asked 19 May 2010
Bjarne,
Throw a ball up at an angle really hard so that it falls back 7000 kilometers away at the other side of the Earth. Note that the Earth is 6378 in radius so that the ball misses the surface. Scientists call this an "orbit".
Observe that it slows down and loses kinetic energy until it gets to the top of its flight, i.e. "orbits" the Earth.

Where did the kinetic energy go?
​
 
Well, this is my last post on this wasted thread, Bjarne, get an education, you really need one.

I will be talking to many of you on other threads.

Bye Bjarne, don't reply, I will not see it.

Paul

:) :) :)
 
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Paulhoff said:
Well, my last post on this wasted thread, Bjarne, get an education, you really need one.
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I would recommend some physics education too.
There are long lists written on the physics you don't understand Bjarne.

RC is clearly trying to help you put together a study curriculum.
 
So Bjarne doesn't believe in potential energy, eh?

I'd really like to seem surprised. I really would. But it seems that the more Bjarne explores his ideas, the more basic physics he's throwing out. I dread to think what we'll lose next. Maybe angular momentum doesn't exist?

Bjarne, here's a question I think you should think about carefully:

Why should energy be conserved?
 
Toke said:
I would recommend some physics education too.
There are long lists written on the physics you don't understand Bjarne.

RC is clearly trying to help you put together a study curriculum.
Click to expand...

I think the Neal Adams' run on Batman is his study curriculum.....
 
dudalb said:
I think the Neal Adams' run on Batman is his study curriculum.....
Click to expand...

Well, it does look like it fit his level of acquaintance with reality, but it does not account for the cows.
He must have done further studies.
 
I really thought the danish educational system was better than this.. It must have changed. I don't remember quite so many cows in physics class. I do remember Newton though.
 
1
Where does its kinetic energy go when it slows down?
The answer is that the ball has two types of energy
  • The kinetic energy due to its speed.
  • The gravitational potential energy due to the Earth's gravitational field. It is this that Bjarne is ignorant of.
As the ball gets higher it loses kinetic energy and gains potential energy. When the ball drops it gains kinetic energy and loses potential energy.
Click to expand...

2
I can "point on it"!
Click to expand...

Try to freeze time and point at the ENERGY LOST exactly at the moons apogee.
We are talking about MASS / KE that is no longer there at apogee.
Towards apogee KE and mass disappears.
That the moon gets it back when it falls don’t answer the question where that energy was at apogee.
I mean
  • was it hanging in the blue air
  • inside the particles
  • inside the Moon
?? WHERE ?
Point ? ( at ENERGY)

It is the same that I say there is a potential cow in you house.
The problem is that I can’t point at it, or decide what room the cow really is because you have still not bought it.

If a supernova explodes near the moon and it never comes back the energy is LOST.
And that’s the end of the story.

Of course we can speculate how the gravity process works and HOW the moon possible can get that the LOST energy “back”.
But this is a different story and something that happens LATER.

Or we could speculate what when the Moon would be blown to almost to hell (by a supernova) but right before it was suck into a black hole, the speed would increased to 250.000 km/s and therefore relative to the black hole the Moon now have 1.000.000.000 more potential energy.
But still I MUST ask WHERE is the cow (Edith: energy right N O W). (Notice how close NOW and COW is to each other. )

Can’t you see it
Gravitational potential energy is an expression for a progress that still has not happens, it will MAYBE (most likely) happen LATER.
But until then there are no energy (and no cow).
(There is a MAYBE, - the moon gets that energy back)
BUT the real KE is LOST – at apogee.

Exactly like RC’s potential cow first will arrive tomorrow. - LATER
IF the cow NOT will arrive because RC has drunk away his money, and not pay it, there are no cows in that house (also not for the Myon).

Most likely he will get that cow, but a potential cow is not a real cow and it can also not replace a real cow.

Every farmer (and cow) knows that.

So the solution is:
that "we" (not me) can say that the KE due to speed is not real energy because the potential energy also not is.
And then we have exported that problem (too) the big blue junkyard as well.

Imaging the Moon was an energy bomb, - would a total explosion be less powerful at apogee. ?

Second question:

How big explosions can the Moons potential energy cause?

Now show me you are man / scientist and not mother's darlings, and ANSWER THAT QUESTIONS.


doglaugh.gif



images
 
Bjarne, you're getting more and more incoherent. You're right at the cusp of babbling.

One can almost sense the foam around your mouth.
 
On ignore goes Bjarne,that that post was just pure lunacy.No point in discussing anything with him.
 
Bjarne said:
...snipped gibberish...
How big explosions can the Moons potential energy cause?

Now show me you are man / scientist and not mother's darlings, and ANSWER THAT QUESTIONS.
Click to expand...
A BIG ENOUGH EXPLOSION TO ESSENTIALLY DESTROY THE EARTH.
You may have heard of meteorites and thie impact craters on the Earth?
A meteorite the size of the Moon would crack the Eatrh wide open.

But then given The fatal flaws and basic ignorance in Bjarne's ideas in his threads it is possible that you have not.
:dl:

​
 
dafydd said:
On ignore goes Bjarne,that that post was just pure lunacy.No point in discussing anything with him.
Click to expand...

It was not because I want to be difficult
I just don't agree that RC can point on potential energy, - where that energy exactly is at apogee..

Off course we can also say the Moon have potential energy relative to the black hole inside the milkeway,- and relative to the one inside the local cluster, - and to the centre of the Universe if there are such too.

But we can not point on that energy, it is ONLY potential, exactly like the cow RC still not have bought.

But on the other hand the mass / KE that decrease when the moon climbs, this is to my opinion real energy, here and now, and thereofre also real energy lost..

Anyway this was a side track.

Originally Posted by Bjarne
...snipped gibberish...
How big explosions can the Moons potential energy cause?
Now show me you are man / scientist and not mother's darlings, and ANSWER THAT QUESTIONS.

RC Wrote
A BIG ENOUGH EXPLOSION TO ESSENTIALLY DESTROY THE EARTH.
You may have heard of meteorites and thie impact craters on the Earth?
A meteorite the size of the Moon would crack the Eatrh wide open.
Click to expand...

Now RC believes that potential (gravity) energy also can explode.
Holy Moses..
 
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Gravitational potential energy does not explode. Meteorites explode when they hit the surface of the Earth. A meteorite the size of the Moon would crack the Earth wide open. So obvious, Bjarne!
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I was asking you:
Quote:
How big explosions can the Moons potential energy cause?
RC Wrote:
A BIG ENOUGH EXPLOSION TO ESSENTIALLY DESTROY THE EARTH.

But it is good you have change you mind.
 
Bjarne said:
I was asking you:
Quote:
How big explosions can the Moons potential energy cause?
RC Wrote:
A BIG ENOUGH EXPLOSION TO ESSENTIALLY DESTROY THE EARTH.

But it is good you have change you mind.
Click to expand...
It is good you can still not understand what you read (as in The fatal flaws and basic ignorance in Bjarne's ideas in his threads.)

A BIG ENOUGH EXPLOSION TO ESSENTIALLY DESTROY THE EARTH is the same as CRACKING THE EARTH WIDE OPEN.
In either case .... the Earth is destoyed :jaw-dropp !
 
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