of Problem How‚ Popsicle sticks and rubber bands‚ can you build something to launch a gummy bear? Hypothesis If I tie three Popsicle sticks in a certain way‚ and tighten rubber bands around them‚ when you pull the rubber bands they will create enough potential energy to launch a gummy bear. Variables Independent: Rubber bands and‚ the Popsicle sticks Dependent: The distance the gummy bear travels Materials and Procedures Materials: • 3 rubber bands • 3 popsicle sticks • A gummy
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The combination of asphalt‚ rubber and polysterene plastic (Styrofoam) as a concrete binder John Melvin V. Baranda Carl Jerwin F. Dangdang Gershey Jessa Mae M. De Guzman III-A (Pythagoras) Proponents Pangasinan National High School Lingayen‚ Pangasinan August‚ 2013 Mrs. Margie V. De Leon Adviser Abstract The study “The combination of asphalt‚ rubber and polysterene plastic (Styrofoam) as a concrete binder” sought to investigate
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characteristics of ground tire rubber-modified bitumens F.J. Navarro‚ P. Partal∗ ‚ F. Mart´nez-Boza‚ C. Valencia‚ C. Gallegos ı Departamento de Ingenier´a Qu´mica‚ Universidad de Huelva‚ Escuela Politécnica Superior‚ Ctra. de Palos de la Frontera s/n‚ 21819 Huelva‚ Spain ı ı Accepted 4 February 2002 Abstract This work deals with the characterisation of the linear viscoelastic properties‚ closely related to its performance as road paving binder‚ of ambient ground tire rubber-modified bitumen. Specifically
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the country‟s economy and foreign direct investment. In 2005‚ Vietnam took the major step in rubber plantation with approval Vietnamese Prime Minister Phan Van Khai. He advocated projects for restructuring of agricultural which enable land areas; approximately 600‚000 ha (1 ha = 10‚000 square meter) for rubber plantation (plasticsandrubberasia.com). Moreover‚ He promised additional 100‚000 ha for rubber plantation by year 2010. However‚ The Ministry of Agriculture and Rural Development (MARD) only
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My car utilizes the energy stored within a stretched rubber band‚ and converts it into rotational kinetic energy‚ which moves the wheels forward. 2 non-motile rods were placed on the front of the chassis to maintain tension in the rubber bands‚ and allow the rubber band to retract as it leaves the axle‚ preventing it from limiting axle motion. The CD wheels on the rear of the vehicle allow a larger displacement per axle rotation‚ meaning the car will be able to travel a farther distance. Vinyl tape
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Classification (SIC) system. The primary NAICS code classification for Nike is 316211 Rubber and Plastic Footwear Manufacturing (http://business.highbeam.com/company-profiles/info/306325/nike-inc; web‚ December 9‚ 2010). This U.S. industry comprises establishments primarily engaged in manufacturing rubber and plastics footwear with vulcanized rubber or plastics soles‚ molded or cemented to rubber‚ plastics‚ or fabric uppers‚ and rubber and plastics protective footwear. Upon initial investigation of Nike‚ the
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covered rubber ball‚ a wooden fence set up around the perimeter of the table‚ and large side nets extending along both sides. One year later famous game makers Jaques of London released their GOSSIMA game. This game borrowed the drum style battledores from the Shuttlecock game‚ and used a 50mm webbed wrapped cork ball‚ with an amazing 30cm high net that was secured by a belt-like strap under the table Neither of these action games were successful‚ due to the ineffective ball: the rubber ball had
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can spin up to 150 revolutions per second in a match situation. (Qun‚ et al.‚ 1992) This is due largely to technique‚ but the level of spin has greatly improved since the 1950’s‚ due to the invent of “sandwich rubber”‚ or “Inverted rubber” (see Figure 1)‚ as opposed to the old pimpled rubbers (Figure 2). This greatly increased surface area and spin changed the sport and history‚ as players now looked to optimise the spin of their rackets. After years of playing with glues to
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fighting to save rubber trees‚ then I thought I was fighting to save the Amazon rainforest. Now I realise I am fighting for humanity." Chico was many things‚ he was a steward to this earth‚ a unionist‚an enviromental activist ‚ a father‚ a husband and the list carrys on. This story starts with Chico being a rubber tapper. Following his father‚ he was "a seringueiro"‚ a rubber tapper. He farmed a small clearing‚ but relied on the sale of rubber from several hundred native rubber trees in the rain
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duck valve ‚ also known as rubber slow closing check valve or discharge check valve‚ according to the connection method mainly XH41 type flange duckbill valve‚ XH41A built-duckbill valve‚ XH81-type clamp duckbill valve‚ XH81A type backpressure duckbill valve‚ depending on the tail of another shape scimitar duckbill valve‚ partial mouth duckbill valve‚ when placing your order with the manufacturer’s instructions You need to set the duckbill valve connection‚ shape‚ pressure ‚ material and other information
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