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- [[File:Activation energy.svg|thumb|right|250px|right|300px|Activation energy with and without a catalyst]] ...and the products of a reaction. The activation energy is the difference in energy between the [[transition state]] and the starting reagents. ...1 KB (230 words) - 00:14, 13 March 2013
- :''This article is about orbital (electron) energy levels. For compounds' energy levels, see [[chemical potential]].'' ...lectron configuration]] in [[atom]]s or [[molecule]]s. In other words, the energy spectrum can be [[quantization|quantized]] (see [[continuous spectrum]] for ...5 KB (736 words) - 02:59, 18 October 2014
- ..., such as [[gravitational]] or electric [[potential energy]], which is the energy that an object has because of its position in a gravitational or electric f ==Translational kinetic energy== ...1 KB (152 words) - 00:10, 10 January 2016
- ...frequency [[angular momentum]]) and the highest (''i.e.'', zero) potential energy (zero‑frequency angular momentum).]] ...ous and Metamorphic Petrology]. John Wiley & Sons, 2013, p. 21. "Potential energy can be equated with the amount of work required to move a body from one po ...23 KB (3,626 words) - 09:52, 1 September 2017
- ...e. Gravitational potential energy is [[mechanical energy]] minus [[kinetic energy]]. It has a scalar quantity measured in [[Joule]]s (J). ...you stored when you rode up the hill. Another way gravitational potential energy helps us is by keeping earth and the other planets in orbit in our solar sy ...2 KB (262 words) - 20:04, 31 August 2017
- ...onservation of energy in physics. For energy resources sustainably, see: [[Energy conservation]].'' ...''[[first law of thermodynamics]]''' is a statement of the conservation of energy for thermodynamic systems. ...6 KB (881 words) - 09:41, 15 August 2017
- 在第二章中，我们学习了Budyko的能量平衡气候模型（Simple Energy Balance Climate Model），并用此模型来讨论了存在冰雪线的情况下，气候系统的稳定性问题。冰雪线的南北移动会引起行星反照率及热量的动力 ...1 KB (105 words) - 09:33, 21 October 2010
- ==Question1: Energy cycle== ...3 KB (159 words) - 08:59, 19 November 2010
Page text matches
- ..., such as [[gravitational]] or electric [[potential energy]], which is the energy that an object has because of its position in a gravitational or electric f ==Translational kinetic energy== ...1 KB (152 words) - 00:10, 10 January 2016
- ...e. Gravitational potential energy is [[mechanical energy]] minus [[kinetic energy]]. It has a scalar quantity measured in [[Joule]]s (J). ...you stored when you rode up the hill. Another way gravitational potential energy helps us is by keeping earth and the other planets in orbit in our solar sy ...2 KB (262 words) - 20:04, 31 August 2017
- [[File:Activation energy.svg|thumb|right|250px|right|300px|Activation energy with and without a catalyst]] ...and the products of a reaction. The activation energy is the difference in energy between the [[transition state]] and the starting reagents. ...1 KB (230 words) - 00:14, 13 March 2013
- === Energy Levels === [[File:Bohr-atom-PAR.svg|Thumb|right| The Bohr model gives the specific energy levels of an electron (n=1,2,3)]] ...2 KB (275 words) - 19:55, 3 September 2016
- ...ansferred to [[thermal energy]] in the resistance. Because of this loss of energy, the [[Oscillation|oscillations]] of charge, current and potential differen ...any instant. This is because the resistance does not store electromagnetic energy. ...2 KB (282 words) - 23:05, 31 May 2017
- == Elastic potential energy == Examples of everyday objects that have elastic potential energy are stretched or compressed [[rubber band|elastic bands]], springs, [[Bunge ...2 KB (318 words) - 10:58, 19 May 2017
- ...t is considered that there are only two types of energy - mass and kinetic energy, although this may not be helpful to those not familiar with more complex p The law means that the total energy of the universe is a constant. However, energy can be transferred from one part of the universe to another. ...3 KB (561 words) - 06:11, 16 June 2016
- ...as [[mass]] or [[charge]], or something that has to be calculated, like [[energy]], or [[angular momentum]]. ...d into energy, the total amount of mass goes down, and the total amount of energy goes up. ...3 KB (575 words) - 23:22, 28 November 2015
- ...ticular element, the energy needed to excite an electron from one specific energy level to another will be the same. This is important because it allows us t ...ight), so only photons with fitting energies will cause an excitation. The energy of a photon is proportional to its frequency:'' '' ...3 KB (554 words) - 14:03, 20 September 2015
- ...tating]] [[wikt:shaft|shaft]]. Flywheels are used for storage of [[kinetic energy]]. The [[momentum]] of the flywheel causes it to not change its [[rotation] ...en, when the bus has to start driving again, it is connected again and the energy is transferred back. Of course, you wouldn't want to lug a heavy wheel arou ...3 KB (525 words) - 22:13, 8 March 2013
- :''This article is about orbital (electron) energy levels. For compounds' energy levels, see [[chemical potential]].'' ...lectron configuration]] in [[atom]]s or [[molecule]]s. In other words, the energy spectrum can be [[quantization|quantized]] (see [[continuous spectrum]] for ...5 KB (736 words) - 02:59, 18 October 2014
- ...se-Einstein [[distribution]] tells you how many particles have a certain [[energy]]. The formula is :''n(ε)'' is the number of particles which have energy ε ...1 KB (175 words) - 14:07, 9 March 2013
- ...ant and is the sum of the [[kinetic energy]] and [[gravitational potential energy]]. ...1 KB (200 words) - 23:05, 20 March 2017
- At LC circuit energy saves in the capacitor's electric field. U is energy and q is electric charge. ...2 KB (395 words) - 17:40, 17 December 2015
- ...d "potentials" because in a sense, they describe the amount of [[potential energy]] in a thermodynamic system when it is subjected to certain constraints. Th |[[Internal energy]] ...3 KB (426 words) - 10:54, 19 June 2013
- ...on. Elastic collisions occur only if there is no net conversion of kinetic energy into other forms (heat, sound). The other rule to remember when working wit ===Using Conservation of Energy to write a second formula=== ...4 KB (633 words) - 05:47, 14 February 2016
- ==角动量、能量和水汽循环 (Angular momentum, energy and water vapor)（3课时）== *Energy cycle ...3 KB (108 words) - 02:24, 7 September 2010
- ==角动量、能量和水汽循环 (Angular momentum, energy and water vapor)（3课时）== *Energy cycle ...3 KB (108 words) - 09:14, 12 January 2011
- ...energy]], the thermal efficiency of a [[heat engine]] is the percentage of energy that is transformed into [[work (thermodynamics)|work]]. Thermal efficiency ...[[joule]]s of thermal energy is transformed into 300 joules of mechanical energy (with the remaining 700 joules dissipated as [[waste heat]]), the thermal e ...4 KB (643 words) - 15:13, 19 November 2015
- ...le]]. In [[quantum mechanics]] each photon has a characteristic quantum of energy. ...t its name, Einstein revived the proposal that light is separate pieces of energy (particles). These particles came to be known as photons. ...4 KB (665 words) - 07:41, 25 June 2017
- ...'power''' (symbol: ''P'') is how fast [[Work (physics)|work]] is done or [[energy]] is given from one thing to another. In the [[SI]] system of measurement, As a rate of change of work done or the energy of a subsystem, power is: ...1 KB (246 words) - 16:49, 16 January 2017
- ...t [[heat]] produced by an [[electric current]], and second about how the [[energy]] of a [[gas]] relates to [[pressure]], [[volume]] and [[temperature]]. Joule's '''second law''' says that the [[internal energy]] of an ideal [[gas]] does not change if volume and pressure change, but do ...878 bytes (132 words) - 00:24, 21 September 2016
- ...nstein]] found the [[equation]] for [[energy]]: [[E=mc²]]. This means that energy is equal to a certain amount of [[mass]]. However, this is a simplified ver ...because you get a [[divide by zero error]] from the equation for [[kinetic energy]], <math>E_k = m_0 ( \gamma -1 ) c^2 = \frac{m_0 c^2}{\sqrt{1-\frac{v^2}{c ...2 KB (268 words) - 18:13, 21 March 2013
- *[[Kinetic_energy#Rotational kinetic energy|Rotational kinetic energy]] ...1 KB (163 words) - 01:22, 9 August 2017
- ...e terms of [[Bernoulli's equation]], which is essentially an equation of [[energy conservation]] for a fluid in motion. ...1 KB (165 words) - 06:39, 9 March 2013
- ...le [[light]] that excites [[electrons]] (makes them high [[energy]]). This energy causes an electronic transition from a ground state (non excited) to an exc == Energy absorption == ...5 KB (697 words) - 16:44, 23 February 2015
- ...es how fast the atoms are moving and the heat measures the total amount of energy due to the vibration of the atoms. ...toms allowing the energy to travel through the solid. (Rather like the way energy passes along a set of tumbling dominos). ...3 KB (414 words) - 07:43, 16 June 2017
- ...and antiparticles lead to the destruction of both. This gives rise to high-energy [[photons]] ([[gamma rays]]), [[neutrino]]s, and lower-mass particle–antipa ...ig number, this means that even a small amount of matter can have a lot of energy (it has been projected to be 4 times more effective per mass than nuclear f ...5 KB (898 words) - 00:12, 25 April 2016
- ...onservation of energy in physics. For energy resources sustainably, see: [[Energy conservation]].'' ...''[[first law of thermodynamics]]''' is a statement of the conservation of energy for thermodynamic systems. ...6 KB (881 words) - 09:41, 15 August 2017
- == Relation of Energy and Vibration == ...attached to either end denoted by ''μ''. The formula used to relate the energy needed to cause a vibration in the bond is: ...8 KB (1,244 words) - 20:31, 26 May 2015
- Note that there must be both voltage ''and'' current to transfer power (energy). For example, a wire can have a high voltage on it, but unless it is conne ...b. A negative voltage between points a and b is one in which 1 coulomb of energy is required to move a negative charge from point a to b. If there is a unif ...4 KB (668 words) - 21:23, 2 March 2016
- 在第二章中，我们学习了Budyko的能量平衡气候模型（Simple Energy Balance Climate Model），并用此模型来讨论了存在冰雪线的情况下，气候系统的稳定性问题。冰雪线的南北移动会引起行星反照率及热量的动力 ...1 KB (105 words) - 09:33, 21 October 2010
- ...lues relating to physical properties such as [[position]], [[momentum]], [[energy]], etc. The wave function can be thought of as a picture of how this partic ...he left hand side is equivalent to the [[Hamiltonian mechanics|Hamiltonian energy operator]] acting on <math>\Psi</math>. ...7 KB (1,105 words) - 21:06, 26 June 2017
- ...sion]]s between particles are [[elastic collision]]s and lose no [[kinetic energy]] ...835 bytes (122 words) - 09:09, 25 April 2016
- ...s in far [[ultraviolet]] and even "soft" [[X-rays]].<ref>X-rays with lower energy</ref> ...wikt:brightness|brightness]]. Luminosity measures the <u/l>total amount of energy emitted</u/l> by a star or other astronomical object in [[SI]] units of [[j ...2 KB (381 words) - 20:05, 10 October 2014
- An '''undulator''' is an [[insertion device]] from high-energy physics and usually part of a larger ...iation produced in an undulator is very intense and concentrated in narrow energy bands in the [[spectrum]]. The light beam is also [[Collimated light|collim ...5 KB (784 words) - 20:07, 20 May 2016
- ...would not be point-like particles, but rather 1-dimensional "strings" of [[energy]] that vibrate in various [[dimension]]s. The image to the right illustrate ...924 bytes (133 words) - 17:06, 17 April 2013
- ...heir massive size (compared with other particles) it needs vast amounts of energy to create them. The [[Large Hadron Collider]] at [[CERN]] was built mainly ...to the amount of kinetic-energy that the gauge boson lost by being slowed, energy is conserved. ...9 KB (1,413 words) - 11:59, 17 February 2017
- ==Question1: Energy cycle== ...3 KB (159 words) - 08:59, 19 November 2010
- ...quilibrium constant of a reaction also helps you to understand the flow of energy that occurs during the reaction ([[thermodynamics]]).{{wiktionary|equilibri ...3 KB (541 words) - 12:47, 13 December 2016
- 在第二章中，我们学习了Budyko的能量平衡气候模型（Simple Energy Balance Climate Model），并用此模型来讨论了存在冰雪线的情况下，气候系统的稳定性问题。冰雪线的南北移动会引起行星反照率及热量的动力 ...2 KB (175 words) - 01:36, 22 October 2019
- 在第二章中，我们学习了Budyko的能量平衡气候模型（Simple Energy Balance Climate Model），并用此模型来讨论了存在冰雪线的情况下，气候系统的稳定性问题。冰雪线的南北移动会引起行星反照率及热量的动力 ...2 KB (175 words) - 05:58, 11 October 2023
- 在第二章中，我们学习了Budyko的能量平衡气候模型（Simple Energy Balance Climate Model），并用此模型来讨论了存在冰雪线的情况下，气候系统的稳定性问题。冰雪线的南北移动会引起行星反照率及热量的动力 ...2 KB (175 words) - 08:26, 23 September 2021
- ...long as the field is in place, however, the electrons will gain back that energy that they lost, and the process will continue. This "jolt" that electrons ...3 KB (536 words) - 13:33, 9 April 2017
- ...hot, but an inductor and a capacitor store the energy and can return that energy to the source when it goes down. ...5 KB (850 words) - 06:03, 26 June 2016
- where <math>G\,</math> is the [[Gibbs free energy]], <math>R\,</math> is the molar gas constant, and <math>V\,</math> is the ...1 KB (185 words) - 05:26, 9 December 2013
- In the following equations, n, n-a, n-b, etc. name [[wikt:energy|energy]] levels of an [[wikt:electron|electron]] in a [[wikt:hydrogen|hydrogen]] [ ...3 KB (510 words) - 06:32, 17 October 2014
- ...[[c]] is the [[speed of light]], and T<sub>μv</sub> is called the ''stress-energy tensor''. ...1 KB (189 words) - 07:34, 13 September 2016
- ...|circuit]], but rather than dissipating magnetic energy it stores magnetic energy. As an [[electric field]] causes an [[electric current]] to follow the [[p ...ses the reluctance of the magnetic circuit, and enables it to store more [[energy]] before core saturation. This effect is also used in the [[flyback transf ...5 KB (744 words) - 13:27, 25 September 2014
- 在第二章中，我们学习了Budyko的能量平衡气候模型（Simple Energy Balance Climate Model），并用此模型来讨论了存在冰雪线的情况下，气候系统的稳定性问题。冰雪线的南北移动会引起行星反照率及热量的动力 ...3 KB (216 words) - 08:59, 3 November 2020