Mr. Nichols 10/26/2011 Investigate factors that affect the period of a pendulum: The relationship between Density and Time Investigate factors that affect the period of a pendulum: The relationship between Density and Time IB Physics Internal Assessment IB Physics Internal Assessment Introduction The purpose of this experiment is to investigate the relationship between density and time in a homemade pendulum. In order to investigate the phenomenon‚ the density of the hanging object is
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ANCIENT CHINESE INVENTIONS The Chinese invented many useful inventions such as Gunpowder‚ hang gliders‚ and the compass. Today these inventions are used daily in our everyday lives. Currently gunpowder is used in fireworks and deadly weapons such as guns. The compass is used when people are outdoors‚ hiking‚ or camping. Hang glider is used for recreation. People get on top of a high ledge and jump off to get acceleration. Now these ancient inventions are used every day and are very
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1973 in a Motorola Factory. A cell phone is that it is actually a radio‚ an extremely sophisticated radio‚ but a radio nonetheless. The telephone was invented by Alexander Graham Bell in 1876‚ and wireless communication can trace its roots to the invention of the radio by Nikolai Tesla in the 1880s. It was only natural that these two great technologies would eventually be combined. The first cell phone weighed 2.5 pounds‚ had a talk time of 35 minutes‚ took 10 hours to charge and had no display. Technology
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There are many scientific inventions in our world. Some of these inventions are even in the houses that we live in. There are inventions such as computer games‚ the microwave oven‚ and even the Moto vehicle. These inventions make our lives much easier but it destroys the world as well. Everything and everyone gets harmed some way by these inventions. Let’s start off with this. The computer is entertaining but yet dangerous to our eyes. Children of our world love being on the computer. But they
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Innovations and inventions make a huge impact on work. Every day people attempt to create an impact in the world through these innovations or inventions. Many people have created an impact in different eras through their own ideas‚ innovations‚ or inventions‚ including Abraham Darby. Darby was an iron founder‚ copper smelter‚ brass manufacturer‚ but what Darby is best known for is his invention of coke as a source of fuel. This allowed Darby to make an impact during the Industrial Revolution
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Electronic and Digital Media Com/225 November 4‚ 2010 Professor Dave Sarnowski Electronic and Digital Media Industry Technology has played a big role in electronic and digital media. Technological inventions keep companies competing in the same areas. “Digital and electronic media today is plentiful with the information highway (Internet) providing answers at our fingertips‚ along with cell phones that are equipped with cameras and Internet connection”(Thomas 2010). Today media has a major
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and inventions of the entrepreneurs in the 19th century. To give one a perspective of how influential 19th century inventions are to American life‚ one billion seven hundred thousand servings of Coke are consumed ever day. These inventions have allowed companies obtain so much dominance that the American life would be vastly different without them‚ despite being created two centuries ago. Even in our modern society‚ Americans are still influenced‚ controlled‚ and manipulated by the inventions that
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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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PHYSICS WORK SHEET - 2 CLASS – IX LESSON : MOTION 1. Analyze the following situation and answer the following questions. A circular track has a circumference of 3140m with AB as one of its diameter. A man riding a scooter moves from A to B along the circular path with a uniform speed of 10 m/s. a) Distance covered by the man b) Displacement of the man c) Time taken by the man in reaching from A to B. 2. A car starting from rest moves with a uniform acceleration of 0.1 m/s2 for 2 minutes. Find the
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10dh71090 Topic: In the history of human beings‚ many inventions have greatly changed human’s life. Write some of the inventions which have brought some changes in our life. One of the most prominent features of the present century is the progress of science and its effects on almost every aspect of social life. Nowadays‚ more and more new things invented to make our life more comfortable and convenient. It is difficult for us to point out which inventions changed human’s life the most‚ but in my opinion
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