of the dry cloth. 4. A positively charged object‚ X‚ and another charged object‚ Y‚ repel each other. a) What is the type of charge on Y? Positive k) Y is removed and a negatively charged object‚ Z‚ is brought near to X. State whether X
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Electromagnetism and Modern Technologies The invention of electricity has benefited mankind in several aspects of life ever since the 1800s. Over the course of the past two centuries‚ scientists have been developing theories that serve as the backbone for various devices today. Such intellectuals have been attempting to understand the credibility and applicability of the already existent theories‚ such as electricity and magnetism. In addition‚ they have introduced new concepts by either creating
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The invention of the balloon was a very unique idea that triggered the technological ear on a race to change the face of the future of flights. The invention shifted mobility towards a faster level and it also gave a good advantage in the war. Since history people have been finding ways to fly and balloon was the first technology that ever took off in the air. Scientist in the past has put a lot of studies to make this invention possible and it gave birth to a new flight technology. A French
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of the first was flying fire. With the simple invention of the gunpowder cannon‚ a totally new type of defense was unearthed. When the devastating power of the cannon was shrunken down into a handheld weapon‚ the course of warfare changed forever. Ancient Chinese alchemist were trying to find a potion for immortality and ended up making gunpowder. Gunpowder developed gradually over time. In 142 AD‚ during the Han Dynasty‚ a man named Wei Boyang was the first to write
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There are so many new inventions that have changed the way we live. Some of the inventions are cell phones‚ computers‚ texting‚ face book‚ GPS‚ I Pods and many more. Every invention has there own way on how they change the way we live like the GPS shows us how to get to places‚ texting so you don’t get bored if your out of the house‚ computers to look up information‚ cell phones to contact anybody in case of emergency‚ I pods can be heard at any moment and anytime of day whether your bored or not. But
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The Greatest Generation Since our inception Americans have created labels for everything‚ from presidents to generations‚ however these labels are often mistaken and obstructed by ignorance and propaganda. A generation not be judged on shouldonly by what they have experienced but by what they leave behind them. So what did the greatest generation leave us after the war? The 1940’s generation left the United States technologically advanced‚ however no matter how advanced the country had
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Living Without Electricity Life Without Todays Conveniences You walk into your house today‚ flick a switch‚ and you expect a light to come on. You press a button on the remote control and you expect the TV to come on. There are many things you depend on electricity to do each day‚ from running your well pump if you live in the country to washing and drying your cloths. So‚ how did people get by before they got electricity? If you wanted a light you would get a match‚ go over to the kerosene
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Electricity market in India . Anant Ashok Lohar Anant.lohar@hotmail.com Abstract-- A robust trading system is very important for free and fair competitive electricity market operation. Trading system should be capable of risk hedging associated with price volatility and other unexpected changes. Operating behavior of a competitive power market is significantly affected by the trading arrangements‚ strategic bidding‚ market model and rule. Trading arrangement is properly
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Cooper - History of Cell Phone. (2003). Recovered june 15 of 2014‚ from http://inventors.about.com/cs/inventorsalphabet/a/martin_cooper.htm Martin Cooper Mobile Phone Inventions Whartonmotorola Attwireless Technology Innovatators. (2008). Recovered june 15 of 2014‚ from http://www.sciences360.com/index.php/martin-cooper-mobile-phone-inventions-whartonmotorola-attwireless-technology-innovatators-18207/ Firt cellphone a true ‘brick’. (2005). Recovered june 15 of 2014‚ from http://www.nbcnews.com/id/7432
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According to Wikipedia‚ an invention is a new form‚ composition of matter‚ device‚ or process. When the Internet was introduced it created a free-flowing stream of information through out the world. It has established a boundless. The World Wide Web has established a new spectrum of opportunity that has become one of the greatest tools to society. Today‚ the Internet provides resources and services such as e-mail‚ online libraries‚ financial tools‚ and more. Many businesses rely on the Internet’s
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