Physics of Pool :: Sport Sports Billiard Billiards

When most of us go out to play pool we do not realize how much physics effects our game. If we took the time to understand at least the basic physics of pool it might be amazing to what degree we could improve our skills. Most of us already know at least somewhat the general idea of how to play pool well. Below I will give a brief description of how physics plays a part in improving you game of pool. So read on if you care to impress your fellow pool players! -Basic Momentum & Kinetic Energy For the purpose of billiards we will not go into great detail as to what momentum is. Basically though it can be thought of using the following equation; p = mv where p = momentum m = mass of object v = velocity of object Kinetic energy is energy associated with the motion of an object. For basic purposes we can just look at the following equation which relates kinetic energy with mass and velocity of an object. K =  ½mv2 where K = kinetic energy When you strike another ball with the cue ball it is almost a perfect elastic collision. An elastic collision is one in which total kinetic energy as well as total momentum are conserved within the system. This can be shown by the two basic equations; Conservation of Kinetic Energy:  ½m1v1i2 +  ½m2v2i2 =  ½m1v1f2 +  ½m2v2f2 Conservation of Momentum: m1v1i + m2v2i = m1v1f + m2v2f where m = mass of object v = velocity Since the cue ball has virtually the same mass as the other balls and the velocity of our second ball will always be zero, since we are striking a static ball with the cue ball. In addition this is considered a two- dimensional collision. From this we know that momentum is saved within the y component and within the x component. Therefore in the case of pool we can rewrite these two equations as: Conservation of Kinetic Energy:  ½m1v1i2 =  ½m1v1f2 +  ½m2v2f2 Conservation of Momentum: m1v1i = m1v1f cosà ¸+ m2v2f cosØ 0 = m1v1f sinà ¸ - m2v2f sinØ In this last equation the minus sign comes from the fact after the collision ball two has a y component of velocity in the downward direction from the x-axis. This can be seen in the following diagram. The above diagrams show the initial velocity (both x and y directions) of both balls (Vxi &Vyi) as well as the final velocities (Vxf & Vyf). As we can see Vxi = Vxf (total of red and blue balls) as well as Vyi = Vyf.

Reaction Paper of Three Idiots Essay

A consumer price index (CPI) measures changes in the price level of consumer goods and services purchased by households. The CPI in the United States is defined by the Bureau of Labor Statistics as â€Å"a measure of the average change over time in the prices paid by urban consumers for market of consumer goods and services.† Captioned Media: Literacy Support for Diverse Learners By: National Center for Technology Innovation and Center for Implementing Technology in Education (CITEd) (2010) Captioned or subtitled media is a great tool for teachers looking to differentiate classroom instruction — research has shown that ELLs, students with learning disabilities, and students who struggle academically may all benefit from following along with captions while watching a classroom video. Learn more about the benefits of captioned media and additional resources for captioned material in this article. Assistive Technology 101 By: Family Center on Technology and Disability (2010) Assistive technology is any kind of technology that can be used to enhance the functional independence of a person with a disability. Learn more about Assistive Technology and ways your students might benefit from it. Assistive Technology and the IEP By: Family Center on Technology and Disability (2010) Assistive Technology Glossary By: Family Center on Technology and Disability (2010) It is important for parents to understand the â€Å"language† of assistive technology so they can be informed advocates for their child’s technology needs. The following glossary of terms can help parents learn about the kinds of assistive technologies that are currently available and how they can be used. Digital Storytelling: Extending the Potential for Struggling Writers By: Ruth Sylvester and Wendy-lou Greenidge (2009) While some young writers may struggle with traditional literacy, tapping into new literacies like digital storytelling may boost motivation and scaffold understanding of traditional literacies. Three types of struggling writers are introduced followed by descriptions of ways digital storytelling can support their development. Being a student in Education Major in Social Science, the Field Study is part of our life. Every time that I entered in my Cooperating School I really feel the happiness and excitement to myself because I know that Field Study is another step to become a professional Teacher. During my first day in Manila High School (MHS) I met Mrs. Magalong the OIC, Mrs. Melania Vitan the Department Head of Social Science and Of course the different teachers in Social Science. All of them are Good, Humble, Approachable and Hospitable persons. I met also Mr.Luisito Paltoub, my Critic Teacher, at first I feel shy because it is the first time that I saw him and I feel uncomfortable too but later on I saw that he is a kind person and he gave his schedule and the sections that he handle for Monday and Thursday. In November 20.2012 is my first observation inside the room and I encountered and socialize with different students with different characteristics and I enjoyed being observer because I adopt and learned a lot of Teaching Strategies and I saw how hard to handle the students in lowest section because each of them has their own monkey business and did not participate in the discussion but the teacher didn’t give up, Mr.Paltoub and his Student Teacher try their best to give them the best Education because the teachers ‘ responsibility is to further develop the learners knowledge,skills,talents and attitude to face different situations in life. The teacher became effective if he is enables all learners to relate the different school experiences to their lives and that is the strategies of Mr.Paltoub and I admire him because of his strategies. Manila High School, also conduct an activities like Foundation Day, Program and Demonstration that can help the learners to become more sociable and to become knowledgeable. The best thing that I cannot forget in MHS is my observation in Division Demo of Mrs.Obias because it is very interesting and meaningful demonstration that I’ve ever seen. In my staying here in Manila High School I feel the fulfillment and satisfaction in myself because I have a lot of good experience in my observation in my Cooperating School. In terms of Facilities, the Manila High School is lack of facilities like in the library not all books are available , the classroom is not well ventilated and the sound system are not all available but the Manager or the Principal supervise the school facilities and she procure equipment and materials needed for effective learning. The Principal also plan for the improvement of school facilities and physical plants. I can say that the Manila High School is my ideal school for my Practice Teaching in the future.

Video Games And Its Effect On Society - 1739 Words

Video games are revolutionary in this age and they are improving more and more. There are lots of kind of games, some of them have adventures on it and others can make you scared. Companies are the ones that produces these games in a great number. Nowadays most of them have tons of people working on a game to make sure that they produce an incredible product so kids can enjoy a good experience. You may think that only kids buy this things, but a surprising number of adults buy video games and this number is increasing faster. The reason why this number is going up is because the developments that video games are having in this last years. Now instead of grabbing a controller to play a game you can play with a helmet for virtual reality and†¦show more content†¦You may do not know the game but you may know the famous song that the game has. â€Å"To this day its music is probably the most recognizable of any video game ever†. (Justin Pot). Another big game console was SEGA, this was founded in 1951 by David Rosen. Over the years, SEGA, which was eventually bought by Japanese investors, developed games for the consoles and in 1986 entered the console business with the Sega Master System. â€Å"The Sega Master System was the first of Sega s consoles to see widespread distribution outside of Japan, and went head-to-head with the Nintendo Famicom (Nintendo Entertainment System outside of Japan) across the world. Sega was unsuccessful at dethroning Nintendo in the key markets of Japan and North America. However, significant sales in Europe and South America saw the console outsell the NES in those regions, and supported as late as the mid-1990s in Europe and through to the present day in Brazil, receiving a large library of software in those regions. It is Sega s second most successful video game console of all time, with an estimated 19 million units sold worldwide, largely in Brazil and Europe.† (Sega Retro) Another game console is the PlayStation and now it is one of the famous consoles in the world. On December 3, 1994, the PlayStation was finally released in Japan. The people s reaction for PlayStation release was not a big hit, instead the reaction wasShow MoreRelatedVideo Games And Its Effects On Society1463 Words   |  6 Pages Movies, video games, music and television shows come in different genres. However, depending on age in regards to youth not just anyone is allowed to: watch certain movies, buy just any video game, listen to any music or watch any tv show. Sometimes they can see certain movies with a parent or guardian. Seeing violence in excess causes violent acts to take place in society because it gives ideas to viewers or listeners especially those who are young. 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