Energy Concepts
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- čas přidán 8. 11. 2015
- apcentral.collegeboard.com/apc...
022 - Energy Concepts
In this video Paul Andersen explains the different forms and units for energy. A discussion of the laws of thermodynamics is also included. Sample conversion problems using dimensional analysis is also included.
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Intro
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Outro
Title: String Theory
Artist: Herman Jolly
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All of the images are licensed under creative commons and public domain licensing:
Birkett, J. (2006). Public domain image for the w:en:User:UBX/Desperate Housewives template from the Open Clip Art Library. Retrieved from commons.wikimedia.org/wiki/Fi...
eady. (2010). English: A Wooden Crate. Retrieved from commons.wikimedia.org/wiki/Fil...
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James Prescott Joule. (2015, July 29). In Wikipedia, the free encyclopedia. Retrieved from en.wikipedia.org/w/index.php?...
Roscoe, H. (1906). Picture of James Joule. Retrieved from commons.wikimedia.org/wiki/Fi...
thank you for everything you do mr. andersen
You should do videos over neurology! That would be awesome!
Thanks for all your videos
Can you do some videos on microbiology? It's such a hard-core class.
Good video very well explained! :)
Very good video, thank you
Awesome!
your channel is awesome , thank you sir
are there fill in the blank notes for this video?
Awesome speaker!!👏👏👏👏
You’re awesome
big thanks i love this (;
Can you explain us moment of inertia and polar moment of inertia cg and centroid and first moment of inertia second moment of inertia and mass moment of inertia?, a clear difference between them they are so complicated to understand the concept ?
thank you god
I feel like that energy thing is wrong.....so, a 60 watt bulb on for 18 seconds, assuming this is a 60wh bulb, 1080 kwh for 18 minuets to power this bulb, and a google search only takes 0.0003kwh and does this in less time. so a one google search is instead a 60 watt bulb for .28 seconds
jihnwan winks..... RIP ME.... couldn't recover after that. BI's smile in his birthday is worth a million !!❤❤ NOW AFTER WATCHING THIS IM CURIOUS.. WHO DO YOU THINK WOULD BE BEST and worst AT DANCING GIRL GROUPS songs? i think yoyo would be best and hanbin would be the worst cuz he is always fooling around haha ay it would be epic i of they appear on weekly idol LOL ❤
Zzhulieta Zaire are you high?
yay first comment
+James Monterozo Yeah, say something profound.
#outgooned
The real question is how long could a light bulb last with the amount of energy required to watch this video?
The dimensional analysis calculation is not done correctly and is very confusing as a result. kWh are units of energy, seconds are units of time and they are not equal. The results of a dimensional analysis calculation should have the same dimensions as the original number. Power=Energy/time, so time = Energy/Power. The correct way to do this calculation is to convert energy in kWh to Joules first. THEN divide the Energy in Joules by the Power in Joules per second (Watts.) to find the time. Simply tacking on the (1s/60J) to the end of the unit conversion and saying that energy is equal to time is not valid dimensional analysis, or a valid statement. The conversion is between two different units for energy, not two different forms of energy. Chemical energy is not a form of potential energy. Electrical potential energy is not a form of chemical energy. Batteries convert the chemical energy stored in chemical bonds into electrical potential energy, which is associated with the positions of the positive and negative charges at the battery terminals, not the bonds in the chemicals. Electrical potential energy can also be produced from mechanical energy, through the process of magnetic induction. There is no chemical energy involved there. "Electricity" (Charge? Electrical Potential Energy? Electrical Current?) is not a form of Kinetic Energy.
This is all a lie, the world was formed by minecraft