Sentences with phrase «kinetic theory]»

The kinetic energy of these photoelectrons and the angles at which they are ejected are then measured to obtain an electronic spectrum.
«Right now, all I have is my kinetic memory and a voodoo feeling that's, like, I can do it, I can do it,» she says.
Neanderthals were the power - thrusters of the Paleolithic world, driving their heavy spears with great kinetic energy and momentum into bison, boar, and deer.
Szostak: Well, chemical reactions are, you know, controlled by the thermodynamics of chemistry by kinetic considerations, but Darwinian evolution is completely different because in our case we are talking about populations with variation and the selection of variants that are more fit, and it's that -LSB-'s] it's repeated and repeated; then better variants come to dominate the population.
«We found that these corrected cells had a normal secretion kinetic when compared with their diseased, parental cells that are otherwise genetically identical except for this single DNA base,» explained lead author Andrew A. Wilson, MD, assistant professor of medicine at Boston University School of Medicine and Director of the Alpha - 1 Center at Bu and BMC.
During collision, the kinetic energy of the projectile is transferred to the beads and dissipates as they butt into each other below the surface, absorbing the force of the collision.
The findings of this study suggest a new way to find more effective drug candidates with optimal kinetic and thermodynamic properties.
Atoms can be cooled using lasers because light particles from the laser beam are absorbed and re-emitted by the atoms, causing them to lose some of their kinetic energy.
The total energy is not lost; the kinetic energy is transformed into other forms of energy such as heat.
As synthesized ZIF - 8 is a highly porous material composed of a number of micro-pores of 0.34 nm and 1.16 nm, hydrogen gas with a kinetic diameter of 0.289 nm can easily penetrate inside the ZIF - 8 membrane, while large molecules (> 0.34 nm) are effectively screened by the MOF filter.
As a result, a ball colliding with a wooden bat, such as the replica of Babe Ruth's Louisville Slugger (below), loses more of its initial kinetic energy.
At the extreme, a ball colliding with silly putty — a plastic that is completely inelastic — could lose almost all its kinetic energy.
One must be very careful to distinguish between the expressions «losing kinetic energy» and «losing energy.»
(More technically, an absorption image of an expanding cloud shows the distribution of the kinetic energy in the cloud.)
As it turned out, with the help of a new dark force, interacting particles could trade in some of their kinetic energy to produce a positron — electron pair, a proposal put forth by Finkbeiner and study co-author Neal Weiner, an N.Y.U. physicist, last year.
For example, a bullet gains speed when it ricochets off an approaching artillery shell, but looses almost all of its kinetic energy when shot into a wooden block.
If m is 10 grams and M is 990 grams, the bullet loses more than 99 percent of its initial kinetic energy.
Budding technologies seek to turn kinetic energy created by the human body into electricity for battery - powered devices
The moral of the story is that if you want the ball to have a high speed (lots of kinetic energy), make sure that the collision is as close to being elastic as possible.
When air is hot, the molecules move fast and they have high kinetic energy.
It would be incorrect to write a «conservation of kinetic energy» equation for this case, along the lines of 1 / 2mv2 +0 = 1/2 (M + m) V2.
Substituting this value into our ratio, we find that the kinetic energy of the bullet and block divided by the kinetic energy of bullet alone equals m / (M + m).
Right side: The electron kinetic energy spectrum (black curve) shows a good agreement with numerical calculations, which are displayed for intensities of 5x1011 W / cm2 (red), 1x1012 W / cm2 (green) and 2x1012 W / cm2 (violet).
Using Escherichia coli (E. coli) as a model host, the framework consists of a coarse - grained but mechanistic description of host physiology that involves dynamic resource partitioning, multi-layered circuit - host coupling, and a detailed kinetic module of exogenous circuits.
«As the [droplet's] viscous dissipation is minimal,» the researchers wrote, «the resulting excess surface energy of the droplet is converted to kinetic energy, naturally causing it to dislodge from the surface and take flight into the air.
To further elucidate this point, let us calculate the ratio of the kinetic energy of the bullet and block system and the initial kinetic energy of the bullet: what is 1/2 (M + m) V2 divided by 1 / 2mv2?
On the other hand, the objects» kinetic energy — equal to 1 / 2mv2 — before the collision is not necessarily equal to the kinetic energy after the collision.
Tomorrow's devices will aggressively rely on sensors to make automated decisions with kinetic consequences.»
They achieved this by lithographically patterning a surface with microscale features that convert excess surface tension into a kinetic energy that propels droplets to «hot spots» on the surface.
Minkel: So, it sounds impressive for a particle to have the kinetic energy of a struck fastball.
This lowered the peak condensate density to 5 × 1010 atoms per cubic centimeter and cooled the entire cloud in all three dimensions to a kinetic temperature of 450 ± 80 picokelvin.
Also, as the faster - moving molecules escape, the remaining molecules have lower average kinetic energy, and the temperature of the liquid thus decreases.
The data obtained at the Department of Aerophysics and Space Research allows for validating kinetic models of the burning of kerosene, which is a complex mixture of various hydrocarbons.
The kinetic energy of an iron asteroid 500 metres across is about a hundred - thousandth the energy Earth receives from...
If both those answers are yes, the computer would trigger a ground - level kinetic deterrent: randomly moving, brightly colored facsimiles of people, designed to play into eagles» apparent aversion to humans.
When you release the balloon, this energy is converted to kinetic energy — the energy of motion — as the balloon zooms around the room.
By shedding light on the fundamental kinetic properties of electrons in graphene, this research may also provide a basis for the creation of miniaturized circuits with tiny, graphene - based components.
The difficulty of corralling anti-atoms with such potent kinetic energies led groups to pursue «cold» antimatter that could more easily be confined and studied.
The most straightforward way to do this is the «kinetic energy» approach — simply ramming a spacecraft into an asteroid.
Key concepts Physics Kinetic energy Potential energy Conservation of energy Newton's laws of motion
This result follows from the combination of kinetic studies in Munich, advanced spectroscopic analysis in Amsterdam and theoretical modeling in Eindhoven.
A competing antimatter experiment at CERN, known as ATRAP, has been working toward producing larger numbers of antihydrogen atoms with lower kinetic energies, which would facilitate their trapping.
Furthermore, Ham and Yoon say that this miniature graphene - based kinetic inductor could enable the creation of a solid - state voltage - controlled inductor, complementary to the widely used voltage - controlled capacitor.
Cars hurl stupendous amounts of kinetic energy up and down our roads, and are managed by people of average abilities.
«Its kinetic energy is a few tens of times larger than that injected by the W44 supernova.
By conservation of energy, the energy of the photon is absorbed by the electron and, if sufficient, the electron can escape from the material with a finite kinetic energy.
«In turbulent systems, kinetic energy always dissipates from the motion of vortices, but up to now everyone had thought that when vortices are in laminar motion the dissipation of energy is zero at zero temperature.
Previously, kinetic analysis of GLUT4 was performed by using fluorescence proteins and an immunostaining method; however, it was impossible to precisely examine if GLUT4 in the cell had been transiently translocated to the cell membrane.
The resulting interaction converted magnetic energy into kinetic energy and sent charged particles such as cosmic rays raining down on Earth's magnetosphere, the region around Earth where its own magnetic field is stronger than other magnetic fields in space.
The suggested method is to use the Boltzmann constant, which is a measure of the relationship between the kinetic energy of molecules and temperature.
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