The Physics of Rainbows As we are coming down to the final weeks of winter‚ the days are getting longer‚ and it is slowing starting to warm up. We are all looking forward to springtime‚ with its promises of flowers and rain. Along with this rain brings reminders of rainbows. As Donald Ahrens says in the Meteorology Today magazine‚ “rainbows are one of the most spectacular light shows observed on earth (About).” In fact‚ one of the best ways to view a rainbow at it’s utmost
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MARKS: 150 TIME: 3 hours This question paper consists of 16 pages‚ a datasheet of 3 pages and a 1-page answer sheet. Copyright reserved Please turn over PHYSICAL SCIENCES P1 (PHYSICS) EXEMPLAR 2007 NATIONAL SENIOR CERTIFICATE GRADE 11 Physical Sciences/P1 DoE/Exemplar 2007 NSC Copyright reserved Please turn over 2 INSTRUCTIONS AND INFORMATION 1. 2. 3. 4. 5. 6. 7. 8. 9. Write your name and/or examination number (and centre number if applicable) in the appropriate spaces on
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Muscle cars have always been a big in the United States such as the Ford Mustang‚ Chevrolet Camaro‚ and Chevrolet Corvette. These cars are some of the most popular cars for the past 25 or more years‚ but over the past 10 years‚ Japanese cars are becoming more and more popular. Many people who are into muscle cars despise these ’imports’ and people who are into these imports have the same feelings toward muscle cars. These two types of car lovers have a strong dislike for each other and these cars. Many
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Why Teenagers Need Cars Imagine cruising down the highway in a brand-new red Mustang. This must be every teenager’s dream‚ though in reality‚ a compact sedan with a couple of dings in the door is probably more typical for those lucky enough to have a vehicle. Life is hard for teens who lack their own set of wheels. Today a car is a necessity‚ not a luxury‚ for teenagers‚ in my opinion. To begin‚ the daily schedule of the average student is a whirlwind of activity. What parent has time to
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the America‚ it doesn’t matter how rich or poor people are‚ there is one product that any household has to have at least one. It is a car. In fact‚ cars have played an extremely important role in American society. A car wasn’t invented like other machinery‚ but it was the accumulation of many levels of invention and a combination of many scientific discoveries. Cars’ origin was in Europe by the French and the German and Paris and named by the Paris Academy of Sciences. But automobile industry brilliantly
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TUBERCULOSIS Tuberculosis‚ commonly known as TB‚ is a contagious and an often severe airborne disease caused by a bacterial infection. TB typically affects the lungs‚ but it also may affect any other organ of the body. It is usually treated with a regimen of drugs taken for 6 months to 2 years‚ depending on the type of infection Tuberculosis was popularly known as consumption for a long time. Scientists know it as an infection caused by M. tuberculosis. In 1882‚ the microbiologist Robert Koch discovered
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HG-1 THE HEAT OF FUSION OF ICE Introduction When heat flows into a system there are a number of things that can happen. One result could be a temperature rise. Or‚ the system might even catch fire. A third possibility is a change of state. As you know‚ matter exists in three states (or maybe four‚ the fourth being a plasma)‚ solid‚ liquid and gaseous. At different temperatures‚ the same substance may be in different states. Each state is characterized by the way the interatomic forces act. In solids
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1. Properties of light Reflection The speed of light is measured through the equation: v = λ f. However‚ it turns out that when light is reflected off a surface its speed stays the same. This was first proven by Sir Isaac Newton. Under the assumption of perfectly elastic collision‚ the laws of reflection follow from the laws of motion. To demonstrate‚ consider a particle traveling towards a flat frictionless surface whose horizontal and vertical velocity components are: VX and VY. When the particle
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Brendon Candella HSC 310 The Band Played On. When I first saw this movie I was 13 years old. The impression it made on me then was different than the impression it made on me watching in class. The movie was entertainment to me when I was younger. Being older and have been exposed and involved in much more that after watching this film I can respond differently to it. The film gives an alternative point of view of the AIDS virus. The film was not your typical type of movie show in a class just
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Car Accessories: Must Haves for the Family Car All aboard! Is your family car ready to accommodate all of you for a long trip? Many families travel together. Be it going to grandma and grandpa’s house or perhaps leaving for an out-of-town trip‚ our family car will always be useful to us. However‚ there are things that our family car must have to keep our long travel comfortable‚ safe‚ and fun. Here are some car accessories that transform your ordinary trip to a special one. Parents will definitely
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