Catapult By: Hasan Abdullah (OSIS#200100360) Group: 1 Class: Introduction to Engineering (Mr.Cornish) Period: 9 Date: May 20‚ 2013 PROJECT OBJECTIVE The project objective was to learn about basic projectile motion theory‚ the mathematical models applicable to various projectile motion situations (e.g. catapult launch)‚ and construction techniques for specific raw building materials. In addition‚ a catapult was to be implemented and built based on an
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History and Modern Applications of X-Rays We see X-Rays all the time in television‚ science fiction novels‚ and comic book superheroes‚ but what is fact and what is fiction? By examining their makeup‚ history‚ modern applications‚ dangers‚ protection‚ and even possible future developments we can understand these scientific marvels far better and more accurately than watching an episode of Star Trek or reading a Superman comic. First and most important is to analyze why an X-ray works and what
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light shining on the drop. Materials: * * LEDs and circuits (from previous lab) * Pipette (or eyedropper) * Rubbing alcohol * Index card * 9-volt battery * Flashlight * Stopwatch * Small cardboard box (shoe box) Procedures: A three-sided enclosure from the cardboard box was made. This created a location for applying light from the LED to the drop of alcohol while minimizing the effect of air currents on the evaporation rate. The eyedropper was used to place a single drop
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Summary of documentations on paper recycling In Japan‚ the US‚ Europe and China Recycling benefits the environment much more than other waste management methods (Technical University of Denmark and the Danish Topic Centre on Waste and Waste & Resources Action Programme (WRAP)‚ 2006). With the environmental‚ economic and societal benefits‚ we can conclude that building an effective paper recycling system in China would be a good idea. This paper is a basic summary of paper recycling practices in
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University Of Botswana DEPARTMENT OF BIOLOGICAL SCIENCES BIO111: Laboratory Exercise 8 The Mutagenic Effects of UV Light Name: sharon reakae INTRODUCTION A mutation is a permanent change in the DNA sequence of a gene. Mutation rates are usually very low but there are factors that can increase the mutation rates. These factors are referred to as mutagens and conclude a range of physic-chemical agents. UV light is a mutagen that affects all living things and has an adverse effect on the
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you can. Start by doing these simple things. Firstly‚ recycle as much of your rubbish as you can. You can do this by following these steps. Sort the rubbish at home. Pack recyclable things like plastics bottles‚ old newspaper‚ tin cans‚ and cardboard boxes separately. Then‚ take them to a recycling centre. You can do this at least once a month. Next‚ do not practice the open burning of rubbish. Dispose rubbish in rubbish bins. This rubbish collector wil dispose the rubbish that they collect
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porcelain dish (open air holes): None 6. Effect of charcoal on flame: The blue flame turns orange 7. Matchstick on barrel in flame: The matchstick lighted 8. Illustration of Bunsen burner flame with inserted tubes 9. Scorched cardboard 10. Diagram of the flame Justification 3. The color of the fire from the Bunsen burner is blue on the bottom and orange on the top. This is because there is more gas concentrated at the bottom of the Bunsen burner rather than at the top
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repeatedly violated its rules. This drastic change has helped Gap’s image of using “sweatshops and children” and on top of this change Gap has worked towards bettering the community by donating $60 million to nonprofit groups‚ recycling 20‚000 tons of cardboard and paper‚ and give employees the opportunity to volunteer. 3. Is Gap’s approach to social responsibility based on obligation‚ responsibility‚ or responsiveness? Support your answer. I believe that the initial approach for Gap was responsiveness
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times more dangerous than carbon di oxide .Almost 50%of greenhouse gas emissions from Woolworth’s stores are associated with refrigeration. * Air conditioning and lighting are other major contributors * Electric pallet jacks * Pressing cardboard bell * Business transportation(company cars) What Woolworths can do? * Reducing energy usage * Start Using T5 fluorescent lamps which provides energy savings of 30% in comparison with other fluorescent lights * Automated
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However‚ platters can be customized to meet the needs and demands of customers. The sandwiches and side items can be substituted for any menu item except Chicken Selects ™ for additional cost. The platter carrier is made of sturdy 100% recycled cardboard with individual slots for each item and interlocking lids for easy transport. Reference Business Quotes>
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