Sentences with phrase «velocity changes in»

A recent article in Science has an alarming title: «Large and Rapid Melt - Induced Velocity Changes in the Ablation Zone of the Greenland Ice Sheet.»

«Large and Rapid Melt - Induced Velocity Changes in the Ablation Zone of the Greenland Ice Sheet.»

As they drift along their orbits, some of their members escape the cluster, due to velocity changes in mutual closer encounters, tidal forces in the galactic gravitational field, and encounters with field stars and interstellar clouds crossing their way.

However, Tuomi's team warns that disturbances on the star itself, rather than orbiting planets, may be producing the small velocity changes in Tau Ceti.

Not exact matches

The year - over-year change in money velocity is our favorite indicator because it's been quite accurate for more than 20 years.

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 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 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 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.

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.

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.

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.

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.

In a sense, light never really changes its velocity.

«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.

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.

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.

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 climate - change velocity used in our Report thus likely reflects a much longer period than 21,000 years, probably the whole Late Quaternary, and perhaps even beyond.

The analysis showed that changes in cloud cover can serve as a proxy in climate models for wind velocity in the atmosphere, which can not be directly measured.

«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.

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.

Antilock brakes use Hall effect transducers to detect changes in a car wheel's angular velocity, which can then be used calculate the appropriate braking pressure on each wheel.

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.

One way to find an exoplanet is to measure changes in its star's velocity as the orbiting planet makes the star «wobble» back and forth.

And «g - force» represents a change in an object's velocity.

Even if many species were able to roll with these ancient changes, he notes, «these [current] changes are happening so much faster — and that's expressed in these velocities.»

In contrast, this study draws attention to the high velocity of change in flatland areaIn contrast, this study draws attention to the high velocity of change in flatland areain 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.

«We want to know whether the seismic velocity changes reflect increasing pressure in the volcano, as volcanoes bulge out before an eruption.

«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.

Bottom - water temperature and current velocities have also fluctuated in relation to decadal — millennial scale climatic changes during the last de-glaciation and Holocene (Bianchi and McCave, 1999; Marchitto and deMenocal, 2003; Farmer et al., 2011; Cronin et al., 2012).

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.

The authors show that the inclusion of these effects in the theoretical model significantly changes the predicted shape of the galaxy velocity function.

Figure 02: The «Moment 1» panel shows the change of velocity across the galaxy, indicating a smooth rotation, while «Moment 2» gives the spectral line's width, here showing a broad line toward the turbulent star - forming nuclear bar and more ordered motion in the arms themselves.

The advocated approach utilizes subject - specific data - based models of cerebral hemodynamics to quantify the dynamic effects of resting - state changes in arterial blood pressure and end - tidal CO2 (the putative inputs) upon cerebral blood flow velocity

However, no changes in radial velocity were detected between 1974 and 1984 to confirm possible variations found around 1920 (R. F. Griffin, 1984; and Beardsley et al, 1974).

These sensors measure the change in velocity — the speed in a particular direction — of the head as it bangs against the inside of the helmet.

Two experiments were conducted to explore whether representational momentum (RM) emerges in the perception of dynamic facial expression and whether the velocity of change affects the size of the

In this latest detection, the change in a star's velocity — rhythmically moving toward and then away from Earth — is only 36 feet per second, a little faster than a human sprintIn this latest detection, the change in a star's velocity — rhythmically moving toward and then away from Earth — is only 36 feet per second, a little faster than a human sprintin a star's velocity — rhythmically moving toward and then away from Earth — is only 36 feet per second, a little faster than a human sprints.

On the other hand, if you measure force in the late phase (say around 300ms), after force has reached its peak (e.g. Behm & Sale, 1993), then you will see a change in peak force only if force production at high velocities has altered.

This suggests that changes in cross-sectional area are not responsible for velocity - specificity, although perhaps the lack of increase in muscle size along with an increase in strength could be beneficial if it reduces the weight of the limbs being accelerated.