Sentences with phrase «velocity changes of»

Are the velocity changes of the sun a product of the gravity force or something not quite the same.
Ono and colleagues calculated that a velocity change of about 0.9 miles (1.5 kilometers) per second is possible with some materials that already exist: Zylon and Kevlar.
The test simulates a rear - end crash with a velocity change of 10 mph, approximately equivalent to a stationary vehicle being struck at 20 mph by a vehicle of the same weight.

Not exact matches

«The speed and velocity of change at these firms has been increasing, and to stay on the leading edge has required a lot more stealth by these CEOs,» said Vlaad.
In its original and most basic form it held that the general price level would change in direct proportion to the change in the supply of money, but to get around the problem that what was observed didn't match this theory it was subsequently «enhanced» by adding a fudge factor called «velocity».
In analyzing the equation of exchange one assumes that one of its elements — total supply of money, volume of trade, velocity of circulation — changes, without asking how such changes occur.
The velocity of money measures the rate at which money flows through an economy, in other words, how much money changes hands; it has to do with the amount of economic activity associated with a given money supply.
go ahead, use prayer to change the course, speed, and wind velocity of Hurricane Sandy.
But as every motion in space is relative and can be transformed into a rest by an appropriate change of the frame of reference, it is permissible to regard the present moment as stationary and future events as moving toward the past with an equal and opposite velocity, to wit, opposite with respect to the velocity of the present moment in the first picture.
What occurred was not a change of meaning but a new way of testing relations among terms with unchanged meanings — velocity, in this case.
The righty's 97.5 average fastball velocity was the second best in all of baseball among pitchers who threw at least 80 IP in 2017, and with a change - up that's a full 10 mph slower, he's got a devastating strikeout pitch to match it.
That competitive fire made young Mazzone exactly the kind of pitcher who would drive Mazzone the pitching coach off his rocker — not changing speeds enough, relying on velocity, maxing out, and trying to overpower hitters.
Using a scientific approach to pitching analysis and teaching methods to create solutions, I can help you make the necessary changes to improve your pitching performance in terms of velocity, location, and pain - free and injury - free pitching.
«The magic thing that happens when you're training with instant radar and velocity feedback, it doesn't change the coaching process, it adds on to it,» said Steve Goody, founder of Pocket Radar.
Due to the ineffectiveness of the aforementioned exit velocity thresholds, leagues have tried to attack the «hot bat» issue by changing other aspects of the game.
It has a variable pump, and velocity will change with the number of charging strokes.
By tracking the changes in velocity and position of this extra emission over the years of the observations, they were able to show that it is orbiting around the young star.
The light's wavelength can also change noticeably when photons are scattered off ionised gas moving through space, providing a way to probe the velocity of such gas.
Directly testing this «equipartition theorem» requires the velocity of a particle to be measured, but Einstein predicted that its rapidly changing speed and direction would make that impossible.
As a result of the flyby, the velocity change to the spacecraft was 8,451 miles per hour (3.778 kilometers per second).
«The total velocity change from Earth's gravity far exceeds the total fuel load of the OSIRIS - REx propulsion system, so we are really leveraging our Earth flyby to make a massive change to the OSIRIS - REx trajectory, specifically changing the tilt of the orbit to match Bennu.»
Researchers have come up with what they call the Space Hitchhike Equation, which relates the specific strength of the tether, the mass ratio between the spacecraft and the tether, and the change in velocity needed to accomplish the maneuver.
Dynamic pressure drops happen whenever there is a sudden change in velocity, for example when there are valve or pump failures, or sudden demands on the system, such as when large volumes of water are required for fighting a fire.
Nearly a decade ago, Steve Elgar of the Woods Hole Oceanographic Institution (WHOI) set up a series of floating pressure gauges, sonar devices and water velocity meters on a beach in Duck, N.C., in an attempt to determine what changes in wave action bring sand back onshore.
«We've conducted tracking tests in laboratories in which subjects follow moving images across computer screens,» says psychologist McBeath, «and we've found that until the velocity of the target changes by as much as 60 to 70 percent, people don't notice that it's speeding up or slowing down at all.»
Instantly — and unconsciously — the fielder gauges this apparent change in velocity and begins pedaling forward or backward in an attempt to neutralize it, so that he will be standing in exactly the right position to pluck the ball out of the air when it at last completes its plummet.
To model the projected impact of climate change on marine biodiversity, the researchers used climate - velocity trajectories, a measurement which combines the rate and direction of movement of ocean temperature bands over time, together with information about thermal tolerance and habitat preference.
In the simulation, each Roombot alters its pattern of movement randomly every few seconds and assesses how those changes affect the quadruped's overall velocity.
The car's velocity will change as you go, so you can measure the curve in terms of changes in velocity along that one - dimensional line.
The mineral has a unique layered structure that causes seismic waves to change velocity depending on their direction of travel — just as in the D» layer.
The opposite of this is a turbulent flow which is characterized by vortices and chaotic changes in pressure and velocity within the fluid.
As the hair moves because of the electric field, it changes the frequency of the laser light that hits it, allowing the vibrometer to keep track of the velocity of motion of the hair.
If we define the velocity as the change of the physical distance divided by time, then distant objects do recede from us faster than the speed of light, but this is only because space is expanding.
They then calculated the size, position and mass of K2 - 229b by measuring the radial velocity of the star, and finding out how much the starlight «wobbles» during orbit, due to the gravitational tug from the planet, which changes depending on the planet's size.
We study the group velocity of single photons by measuring a change in their arrival time that results from changing the beam's transverse spatial structure.
The researchers were able to alter the rate at which they released the drops, and by changing the strength of the magnetic field they could also adjust the velocity of the drops.
In this light, Sandel et al. found that endemism is more strongly correlated with the area of analogous contemporary climate (r2 = 0.415 - 0.538) than with climate change velocity (r2 = 0.283 - 0.385) for all taxa they studied.
«The bats also need to use the slow timing of the right hemisphere to use sonar — which relies on detecting small changes in frequency — to track the velocity of the fast - moving insects they fly after and eat,» Washington says.
The mechanism of how the negative hydrogen ions change the direction of their velocity and are extracted as a beam has not been clarified.
If an atom absorbs a single photon, its change in velocity is tiny compared with the average velocity of atoms in a gas at room temperature.
The researchers then visualized the velocity of the two liquids using a technique called Laser Doppler Velocimetry, which detects changes in the frequency of light waves when a laser beam hits them.
We found that the redistribution of channels had only small effect on the conduction velocity whereas physical changes to myelin were primarily responsible for the effects.»
In contrast, this study draws attention to the high velocity of change in flatland areas.
During a four - year period, the researchers used sensors to measure relative changes in the velocity of seismic waves moving through the volcano over time.
The researchers hope to discern information about the target such as its distance, size and velocity based on changes to the properties of the recaptured photon — such as polarisation, frequency and momentum — compared to its former partner.
The strength of these signals varies according to a seasonal pattern, which was expected because Earth's velocity should change relative to the surrounding dark matter as it revolves around the Sun.
«Where these two crustal blocks came into contact, there would have been tremendous deformation that aligned the mineral grains in the rocks and changed the propagation velocities of the seismic waves,» Fischer said.
Its motion toward (or away from) the radar facility can be derived from the rate at which the distance changes, which in turn yields the velocity of the object in the line of sight.
Doppler Effect stated that the frequency a wave as perceived by an observer changes depending on the relative velocity of the object producing that wave.
Starting from the Earth's orbital speed of 30 kilometers per second (km / s), the change in velocity (delta - v) the spacecraft must make to enter into a Hohmann transfer orbit that passes near Mercury is large compared to other planetary missions.
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