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Nomination of Marvin Berry and The Starlighters for deletion
A discussion is taking place as to whether the article Marvin Berry and The Starlighters is suitable for inclusion in Wikipedia according to Wikipedia's policies and guidelines or whether it should be deleted.
The article will be discussed at Wikipedia:Articles for deletion/Marvin Berry and The Starlighters until a consensus is reached, and anyone is welcome to contribute to the discussion. The nomination will explain the policies and guidelines which are of concern. The discussion focuses on high-quality evidence and our policies and guidelines.
Users may edit the article during the discussion, including to improve the article to address concerns raised in the discussion. However, do not remove the article-for-deletion notice from the top of the article. NativeForeigner Talk 20:48, 22 April 2013 (UTC)
Conservation of energy
Hello George,
I am following the debate about thermal energy and internal energy. I was particularly interested in your position and your description of thermal energy as summarized in THIS EDIT. I am interested in the explanation you might give to high school students on the following matter:
Teenagers know that jet airliners fly at very great speed and at a great height so they can satisfy themselves that for most of a flight the airliner has very great mechanical energy. They can also see that after a few hours the airliner is back on the ground and parked at the terminal gate where its speed is zero. The challenge for the physics teacher is to convince the students that energy has been conserved, and that this very great amount of mechanical energy has not been erased, destroyed, eliminated etc. I am curious as to whether the best explanation is that this mechanical energy has been converted to heat, thermal energy or internal energy. What is your strategy? (The scenario is not unique to airliners; it is equally valid when applied to an ocean liner or a railway train or a passenger coach etc.)
Debates about the relative merits of heat, thermal energy and internal energy often descend into detail about the motion of atoms and molecules etc. but with the above exercise concerning a jet airliner the conversion of energy is on a much larger scale than atoms and molecules, especially as the mechanical energy eventually ends up in places such as the aircraft's brakes and in the tarmac of the runway so the kinetic theory of gases is only part of the explanation.
If some of your students pointed to the very great mechanical energy of a jet airliner, and then pointed to its mechanical energy being zero after landing at a sea-level airport, and asked you whether it is possible for energy to have been conserved, would you explain it in terms of heat, thermal energy or internal energy? (I would explain it in terms of thermal energy but I see that I may not get a lot of support!) Regards, Dolphin (t) 06:26, 28 July 2014 (UTC)
Dear Dolphin,
I feel flattered to receive the visit of such a good contributor of our community. But, if you check again the discussion you reference, you will notice that the man you should be looking for is Kbrose. He holds a Ph. D. degree and is a lot more knowledgeable than me in that matter. I used to teach Physics at high school level but not anymore. I am now working independently as a computer engineer which is my real profession.
Anyways, I will share my point of view with you for the case of a regular passenger airplane. The analysis must consider both TRANSFERS and TRANSFORMATIONS of energy. A simple model follows.
On land: Internal energy
Take-off: Internal energy + Kinetic energy (the aircraft as a whole running on the track)
Fly: Internal energy + Kinetic energy (the whole plane flying) + Gravitational Potential energy
Parking: (Same as take-off)
Internal energy changes are due to three reasons at macroscopic level for open systems: Heat, work and mass transfer. If seen from a microscopic level, the changes are related to changes in the kinetic and potential energies at the sub-atomic, atomic and molecular levels. (Heat, work and mass transfer surely affects these two in my opinion). Those changes/tranfers allow the kinetic energy and the gravitational potential energy to show up at the macroscopic level (as shown in my multi-stage and very simplistic model). Besides, do not forget that both kinetic and potential energies are reference-frame dependent.
If you consider the subsystems of the airplane, you must consider certain things such as the chemical energy in the fuel producing heat and kinetic movement of engines which is later converted into kinetic energy of the plane as whole, the electric energy used in the several components which come from batteries or, possibly, alternators (no aircraft designer here), etc.
So, if one of your friends or brothers-in-law work for Boeing, you are in the right path.
Best regards. George Rodney Maruri Game (talk) 03:25, 2 September 2014 (UTC)
- Thanks very much George. I might take it up with Kbrose to see how he would explain it.
- I'm not sure your explanation would work with teenagers in a high school class but it is a long time since I was a teenager and I accept your explanation.
- Very best wishes. Dolphin (t) 12:48, 2 September 2014 (UTC)
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Lore (2014 film) listed at Redirects for discussion
An editor has asked for a discussion to address the redirect Lore (2014 film). Since you had some involvement with the Lore (2014 film) redirect, you might want to participate in the redirect discussion if you have not already done so. -- Tavix (talk) 00:19, 14 March 2017 (UTC)
you're at 3RR
I just thought I'd point out that you're at three reverts on application lifecycle management, as am I, and any further changes in the next 24 hours could place you in a position to be blocked for edit warring. See WP:3RR. Walter Görlitz (talk) 01:24, 14 June 2017 (UTC)
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The article Felicidades (album) has been proposed for deletion because of the following concern:
no refs
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WM formation and WW formation
Hello, George Rodney Maruri Game,
I discussed the naming about WM formation and WW formation at WikiProject Football https://teknopedia.ac.id/wiki/Wikipedia_talk:WikiProject_Football/Archive_149#WW_formation
Many people don't know the WM formation and WW formation naming based on formation diagram (Goalkeeper is depicted at the top) But currently formation diagram (goalkeeper is depicted at the bottom) is used usually.
Of course. WM formation is always have called WM fomation But WW formation is called as MM formation in many countires. For example: it:3-2-3-2
This cause confusion. So I think further amplification about letter naming and formation diagrams (goalkeeper top / goalkeeper bottom) in order to prevent confusion and understand easily.
I hope you polish my version. Footwiks (talk) 17:28, 6 January 2022 (UTC)
License tagging for File:Sohil Makwana Twitter Picture.jpg
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Disambiguation link notification for July 5
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- I did added a link but it is NOT pointing to a disambiguation page but to a specific article. Check the programming of DPL bot, please. George Rodney Maruri Game (talk) 15:19, 5 July 2022 (UTC)
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