What is the purpose of a state primary?
A state primary is held to determine the preferred candidate within a political party for an upcoming election. It allows party members and registered voters to choose the candidate they want to represent their party in the general election.
Ultrasound.
Diagnostic ultrasound is the use of high-frequency sound waves to image anatomic structures and to detect the cause of illness and disease. Ultrasound moves at different speeds through the body's tissue, depending on the density of the tissue.
How many lives has the lightning rod saved?
It is difficult to provide an exact number, but lightning rods are estimated to save thousands of lives each year by redirecting lightning strikes away from buildings and structures. Their purpose is to provide a safe path for lightning to follow to the ground, reducing the risk of fires, explosions, or injury.
Do isolated thunderstorms turn into severe thunderstorms?
Not all isolated thunderstorms develop into severe thunderstorms. Severe thunderstorms are characterized by specific criteria such as strong winds, large hail, and tornadoes, which may or may not be present in isolated thunderstorms. Factors like atmospheric instability, moisture content, and wind shear can contribute to the development of severe weather conditions.
Why do foghorns use low frequency sound?
Foghorns use low frequency sound because it can travel long distances and penetrate through thick fog, aiding in navigation and warning other vessels of their presence. Low frequency sounds also have a more consistent and recognizable tone for mariners to distinguish in challenging weather conditions.
What happens when you look at lightning?
As the velocity of light is more than sound then you have a chance to be socked by this thunder, but if you heard the thundering sound then there is no chance to socked by that lighting because that thunder already dropped some where.
What changes in the atmosphere lead to formation of a thunderstorm?
Changes in the atmosphere that lead to the formation of a thunderstorm is when positively and negatively charged particles are present in the air which produces an unstable environment. When two oppostitely charged particles are put together they form a spark of electricity well, lightning is a result from this. You may noticed that if you walk outside in a thundestorm, mainly a severe one, you will feel static electricity in the air. Overall, an unstable environment is a main cause of a thunderstorm, the thunder is a result of the sound of those particles colliding which produce a sound known as thunder. (now that part you may have to look up!)
Would a lightning rod mounted on the first of tall building work?
Yes, a lightning rod mounted on a tall building can help protect the structure by providing a path for the lightning strike to safely reach the ground without causing damage. The rod will attract the lightning strike and conduct it harmlessly to the ground, reducing the risk of fire or structural damage. It is important for the lightning rod to be professionally installed and maintained to ensure its effectiveness.
Electrical energy travels from a power station through what kind of source?
You answer the question because I dont know!
Thunder is the sound generated by the rapid expansion of air surrounding a lightning bolt due to the extreme heat generated. The intense heat causes the air to expand rapidly, creating a shockwave that we hear as thunder.
What is the difference between pitch and vibration?
The term vibration can be used to described a repetitive motion of something like, say, the string of a musical instrument. A string could be said to vibrate at a certain rate. The vibration creates sound at a given number of cycles per second (the rate or frequency of vibration), and this gives the vibration a certain pitch or note.
What happens if lightning strikes tree?
If lightning strikes a tree, the electricity typically travels through the tree's moist tissues and can cause the tree to explode or ignite. The intense heat from the lightning strike can also start a fire in the tree or its surroundings. Additionally, the tree may suffer damage to its internal structure, leading to potential long-term negative effects on its health and stability.
If the storm is 8 kilometers away how many seconds will pass before you hear thunder?
A lightning strike is about 1,100 feet away if you hear the thunder one second after the lightning flash. The distance varies somewhat with temperature, air pressure, and other environmental conditions.
Why does it hail on summer days?
Hail during summer days happens when strong thunderstorms develop, with powerful updrafts that carry raindrops into extremely cold regions of the atmosphere where they freeze and form hailstones. These hailstones can then fall to the ground during the storm.
What does a vertical equal sign mean?
A vertical equal sign typically indicates a parallel relationship or equivalence between two items or expressions that are written vertically aligned with one another. It is commonly used in mathematics and physics to show that two quantities are equal when placed in a vertical format.
What happens in each of the three stages that a thunderstorm might have?
In the cumulus stage, warm air rises, forming cumulus clouds. In the mature stage, updrafts and downdrafts create rain, thunder, and lightning. In the dissipating stage, the storm loses its energy as downdrafts prevail, leading to the storm's weakening and eventual end.
If an object produces a sound of 440 hertz how fast does the object vibrate?
440 Hertz means 440 cycles (or vibrations) per second.
440 Hertz means 440 cycles (or vibrations) per second.
440 Hertz means 440 cycles (or vibrations) per second.
440 Hertz means 440 cycles (or vibrations) per second.
Is lightening a chemical process?
Yes, lightening is a chemical process. Just add bleach to your wash, and see your clothes lighten.
If you possibly meant, "lightning", no -- it's a physical process, but it does generate chemical changes.
What factor determines the classification of a thunderstorm stage?
The factor that determines the classification of a thunderstorm stage is the storm's organization and intensity. Meteorologists classify thunderstorms based on their structure, development, and severity, using criteria such as updraft strength, cloud appearance, and potential for severe weather. These factors determine if a thunderstorm is classified as an ordinary cell, multicell cluster, multicell line, supercell, or squall line.
How do lightning rods protect structure?
Lightning rods protect structures by providing a designated path for lightning to follow to the ground, reducing the risk of it striking and damaging the building. When lightning strikes, the rod conducts the electrical current safely into the ground, preventing it from causing harm to the structure.
Thunderstorms form when an air mass becomes so unstable that it overturns (convects) violently. "Unstable" means that the air in the lowest layers is unusually warm and humid, or that the upper layers are unusually cool, or oftentimes, both. Rising near-surface air in an unstable air mass expands and cools, and finds itself still warmer than it's environment, which causes it to rise even farther. If enough water vapor is present, some of this vapor condenses into a cloud, releasing heat, which makes the air parcel even warmer, forcing it to rise yet again. In thunderstorms, this process continues to feed on water vapor in the lower atmosphere, pumping air warmed by condensation as high as 40,000 to 60,000 feet (8 to 12 miles). Thunderstorms are more common in the afternoon over land, when daytime heating of the land by the sun causes the lower part of the troposphere to become unstable. Or, some thunderstorms can form from the upper atmosphere becoming unusually cool, due to the approach of an upper air disturbance. In this case storms can form at any time of day, even when there hasn't been daytime heating of the land. One absolute requirement, however, is there has to be sufficient water vapor to feed the storm. This is the fuel for the thunderstorm. As the storm uses up this fuel, it is converted to rainfall. Eventually, the storm stabilizes the atmosphere, through using up the excess water vapor, cooling the lower troposphere, and warming the upper troposphere. A discussion of what causes lightning can be found here.Interesting facts:NATURE'S AWESOME POWER It is estimated that there are around 44,000 thunderstorms that occur around the Earth every day. The average thunderstorm releases the energy equivalent of a 20 kiloton nuclear weapon, or a small nuclear power plant.
How many times a year does lightning strike the earth?
Although many lightning flashes are simply cloud-to-cloud, there are as many as 9,000,000 reported lightning strikes that damage buildings, trees, and other objects every year.
Worldwide, it is estimated that of an annual 1.4 billion lightning bolts, 25% (more than 350 million) will strike the Earth's surface or objects on the surface. The vast majority of these strikes, however, occur in the tropics, and in unpopulated areas.
100 times per second;
Lightning can strike over a thousand times in one storm. So, lightning strikes the earth over a million times a day.
Globally, 8,640,000 lightning strikes per day. See the related link for more information.
Can lightning strike backwards?
Lightning does not strike backwards, from the ground to the sky. It only moves in one direction, from the sky to the ground.
By striking backwards, do you mean can the Earth give off a lightning bolt to the clouds? No.
If you are caught outside in a thunderstorm.. always remember to avoid the tallest object (example: avoid tall trees; if you must, take shelter under small trees). Avoid water at all costs! If possible, avoid all trees and metal objects. Squat low to the ground and try and make yourself as small of a target as possible. If you were to lie on the ground, this would make yourself a larger target.