Speed and Red Light Cameras. Speed and red light cameras are a part of the driving community's way of life. ... Speed cameras allow police to track the speed of vehicles. Since the South Australian Police started the South Australian Speed Camera Program in 1990 the speed of cars has dropped from 19.57 to 8.97 Red Light cameras work by taking photos of the cars if they go through a red light. ... The camera will only work if the light is red. ...

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• Grade Level: High School

When light is introduced into different environments or mediums, light will travel at different speeds and in different directions. ... The final section of the chapter is on the index of refraction and speed of light. The index of refraction is the ratio of the speed of light in a vacuum to its speed in a material. ... The equation is as follows: Ns=c/Vs, where Ns= index of refraction, Vs= speed of light, and c is the speed of light in a vacuum. Speed of light is calculated with the equation Vs=c/Ns. ...

• Word Count: 500
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• Grade Level: High School

What is the nature of light? ... The works of Maxwell to establish the electromagnetic nature of light in 1860 and calculation of speed of light by Focault in 1850 supported Huygen's theory. ... The speed of light is now established and is 300000 km / s. The speed of light in any medium is lower than this value. ... Michelson also developed an independent method to determine the speed of light. ...

• Word Count: 716
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• Grade Level: High School

To observe the environmental aspects of the intersection (speed ect). ... SPEED UP, and clear the intersection on amber 3. ... Since an increased speed, drivers stopping distance is lowered. ... Since no radar study was performed, these speeds are from experience and observation. It is suggested that a Spot Speed study be conducted to back up these observations. ...

• Word Count: 1360
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• Grade Level: High School

Make sure when loading the film, that it is loaded in the dark or shade, never in direct sun light. ... The film speed indicates relative sensitivity to light. ... The shutter controls the amount of light by the length of time it remains open. ... This mode works very well in uneven light. ... The automatic flash has a light sensor that measures the light reflected by the subject from the flash and automatically controls the duration of the flash to produce the correct exposure. ...

• Word Count: 2673
• Approx Pages: 11
• Has Bibliography
• Grade Level: High School

Speed is merely the result of force. ... Those who compete with light implements, i.e., tennis or Ping-Pong players, increase speed of their swing and delivery by skill practicing, mental focus, and drills to increase reaction time. Exerting against a light implement such as a racquet, air resistance, and a ball cannot provide sufficient opposing force (Newton's Third Law) to allow greater muscular force up to a certain limitation... no matter how strong you become. ... Speed weight training will NOT help. ... Moving a light weight explosively is just as dangerous as moving a 1RM slo...

• Word Count: 2732
• Approx Pages: 11
• Grade Level: High School

It is the exposing the light sensitive film to light, therefor burning an image to be developed. ... Films with a high ISO can have a quicker shutter speed or a higher aperture because they require less light. ... Shutter Speed. ... Lower shutter speeds allow more light in to the film and are needed for darker situations. ... Adjusting the three settings of aperture, ISO, and shutter speed is what controls the light. ...

• Word Count: 626
• Approx Pages: 3
• Grade Level: High School

Introduction Light is energy in the form of visible light radiation. ... Low speed centrifuge was used to filter out and pellet the large cell debris, the mixture formally known as supernatant. The supernatant was in turn centrifuge at high speeds to obtain the chloroplasts. ... Anther test tube was wrapped with foil in order to minimize light exposure. ... The last unique test tube was placed under an unfiltered light. ...

• Word Count: 903
• Approx Pages: 4
• Has Bibliography
• Grade Level: Undergraduate

Einstein's theory of the speed of light being constant was that there was no absolute motion. According to Einstein, the only absolutein the universe is the speed of light. ... If the speed of light was not constant, then the approaching star would be traveling at the speed of light plus the speed of the star while the receding star is traveling at the speed of light minus the speed of the star. ... The first rocket is going twenty-five percent of the speed of light,the second is going fifty percent of the speed of light, and the third is going seventy-five percent of the speed of light. ...

• Word Count: 1593
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• Grade Level: High School

Einstein's theory of the speed of light being constant was that there was no absolute motion. According to Einstein, the only absolutein the universe is the speed of light. ... If the speed of light was not constant, then the approaching star would be traveling at the speed of light plus the speed of the star while the receding star is traveling at the speed of light minus the speed of the star. ... The first rocket is going twenty-five percent of the speed of light,the second is going fifty percent of the speed of light, and the third is going seventy-five percent of the speed...

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• Grade Level: High School

How can observers moving at different speeds all measure light at the same speed? ... The amount of time dilation depends upon the speed of the trip "the closer the astronaut gets to the speed of light, the more the Earth years get compressed in his frame of reference. ... (John Gribbin, 1990, p. 2) Subatomic particles often travel near the speed of light and thereby experience very large time warps'. ... However, faster-than-light travel cannot be achieved by straightforward acceleration, for a body's mass rises without limit as its speed approaches the speed of light. ...

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• Grade Level: High School

Now, according to Einstein you can't travel at 100% the speed of light because He predicted that objects gain mass as they accelerate to greater and greater speeds. ... Also, in fact, as far as we know nothing can match, or exceed the speed of light. ... They discovered that light always traveled at the same speed: 186,000 miles per second. ... The speed of light remains constant for all observers. ... The ship approaches the speed of light. ...

• Word Count: 985
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• Grade Level: High School

When traveling anywhere in our universe, time slows as an object reaches the speed of light, according to Einstein's theory of special relativity. This makes scientists believe that if we could somehow travel faster than the speed of light, that we can travel backward and forward in time. ... If you think about it, while traveling in a car, train, or plane, you reach speeds that get closer to the speed of light, which means that we have already actually traveled into the future, but in an incredibly small way. If you and a friend were to set your watches at exactly the same time, then ...

• Word Count: 351
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• Grade Level: High School

you could travel at the speed of light then time would stand still." A light-year is the distance that light can travel in one year. ... But Einstein said that we would be moving at the speed of light. ... If you were moving at the speed of light I would think that everything would appear to be standing still, because you are moving so fast. But now we"re talking about movement and speed, not time. ...

• Word Count: 348
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• Grade Level: High School

"According to Einstein's theory, approaching the speed of light would theoretically slow time, traveling at the speed of light would make it stand still and traveling faster than the speed of light would reverse time" (Onion, 3). ... If speed or mass is increased time slows, traveling back through time may create a paradox, and finally an enormous amount of energy is needed to travel at the speed of light or to stabilize a black hole. ... In order to do this one must travel faster than light speed at the same time and skip the exact speed of light. According to Eisteins theory of Rela...

• Word Count: 1677
• Approx Pages: 7
• Grade Level: High School

E= in the equation stands for energy , M= stands for mass, and C= stands for the speed of light. ... C equals the speed of light (186,000 miles per second). ... It rolls along at great speed. ... As it approaches the speed of light, its mass will be enormous. ... You simply cannot shoot them near the speed of light! ...

• Word Count: 693
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• Grade Level: High School

If one were to travel at the speed of light, what changes would they experience in time? ... This is known as time dilation, a stretching of time that occurs ever so slightly for everyday speeds, but significantly for speeds approaching the speed of light. ... The center of our galaxies is something like 30000 light years away and at the speed of light would take 30000 years to get there. ... In space, there is a space ship that is traveling at the speed of light. ... The only problem lies in propelling a craft to such speed at which light travels. ...

• Word Count: 2726
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• Grade Level: High School

Traveling near the speed of light slows time down significantly, but then what happens at the speed of light? When the speed of light (referred to as c) is reached, what happens to time then? ... At this point, time for him stops, and after that, if he were to continue accelerating beyond the speed of light, his time would run backwards. ... That's all right though, because also according to relativity, matter cannot travel at the speed of light, and much less surpass it. ... The effect is similar to that of the traveler moving at very high speeds (close to that of light)....

• Word Count: 1559
• Approx Pages: 6
• Has Bibliography
• Grade Level: High School

A person A is observing a train traveling close to the speed of light. ... According to Micheleson and Moorly's experiment, this could not happen because the speed of light is the same to any moving object traveling at any speed in any direction. ... In classical theory, if a train is traveling half the speed of light relative to a lamp in a train station, and a person on top of the train is running at half the speed of light relative to the train, then the person on top of the train would catch up to the light coming from the train station. ... Therefore, scientists hypothesized that the...

• Word Count: 3720
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• Grade Level: High School

The Hindenburg was capable of 78 miles an hour cruising speed and 84 miles an hour maximum speed. ... While being in the observation area one would be able to light up using lighters that were supplied in the room that were attached to a chain to prevent someone from lighting a match in an unsafe area. ...

• Word Count: 1602
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• Grade Level: High School

This critical speed is called an escape velocity. ... Light is made up of waves and particles. It was discovered, in 1676, by Danish astronomer, Ole Christenson, that light travels at a very high, but finite speed (Hawking, 18). ... A black hole's gravity is powerful enough to trap light because it's escape velocity, being infinite, exceeds the speed of light (Hawking, 82). ... It has been proven that time moves slower at higher speeds (Hawking, 86). ...

• Word Count: 1106
• Approx Pages: 4
• Has Bibliography
• Grade Level: High School

Peter gets into a rocket and travels to a star ten light years away. A light-year is the distance light travels in one year which is approximately 9.4607 × 10 12 km (Crockett, 2013). He moves at 80% the speed of light. When he gets to the star, he turns around and comes back at the same speed. ... Theoretically, if you can get your rocket going near the speed of light and you went as far as one of the galaxies and came back, millions of years would have elapsed on earth, yet the trip might only take you a few weeks. ...

• Word Count: 870
• Approx Pages: 3
• Has Bibliography
• Grade Level: High School

Every driver has a problem following the speed limit at some point in time. ... On the way home late at night after work, someone in a Ford Mustang pulls up alongside at a traffic light. ... Anxiously awaiting the green light, a patrol car ahead is overlooked. The light changes and squealing tires immediately attract the policeman's attention. ... For those who still persist to speed, outcomes really become serious. ...

• Word Count: 690
• Approx Pages: 3
• Grade Level: High School