different types of sports balls bounce on different types of surfaces? AIM the aim of this experiment is to find out how the COR (coefficient of restitution) of 3 balls (tennis ball‚ snooker ball and ping pong ball). FORMULA USED FOR COR GPE (after) = KE (after) GPE (before) = KE (before) mxgxHr = ½ x mx Vout² mxgxHd ½ x m Vin² Hr = Vout² Hd Vin² APPARATUS meter stick‚ tennis ball‚ ping pong ball‚ snooker ball‚ surfaces; wood and carpet
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OLD GAMES OR NEW GAMES In the past‚ there were old people who are telling the stories of children who were playing in the streets‚ parks and gardens‚ but now‚ their grandchildren cannot be seen at those places anymore. As old people remember there were games which depend on good feelings such as love‚ respect and friendship. There is a strong possibility that much of people can remember “seksek”. It was played with a stone and area that covered with lines which refer boundries of areas‚ especially
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In Chinese online game market‚ there are two normal price strategies‚ Charging and Free. The Charging means that the customers need to pay for the game. They need to buy the game client or pay for the playing time (for example: RMB30 for 4000minits or RMB90 for 1month). The Free means that the customers can play the basic game for free. And they can buy some items in the shop on the official website or directly in the game store. The two players I picked for this analysis are World of Warcraft
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A hard rubber ball is dropped from rest. It falls to the concrete floor and bounces back up ALMOST to its initial height. A motion detector is mounted on the ceiling directly above the ball‚ facing down. So‚ the positive direction -- the away-from-the-detector direction -- is downward. Draw the position‚ velocity‚ and acceleration graphs. Since moving downward is a positive direction‚ is the velocity positive when the ball falls‚ 0 when it hits the ground‚ and then negative when it moves up?
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Social Games vs. Traditional Games: which are the most popular? Nowadays many people all over the world make daily use of social networks like Facebook‚ Twitter‚ or Google+. A social networking service is a World Wide Web platform in which you can meet your real-life friends‚ share information and news with them and develop social relationships of any kind. These electronic communication devices‚ along with the opportunity to keep oneself updated with the latest news‚ opinions‚ mundane
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Video Games And Parents – Why So Much Hate? In a recent survey that was conducted‚ it was discovered that what parents fear the most is not that their children will get addicted to drinking alcohol or watching pornographic videos. Their greatest fear is that their children will get obsessed with playing video games. You may be surprised at first‚ but when you think about it the results actually makes sense. Just take a look at the gaming consoles available today. You have the PlayStation
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and extremely devastating weapons such as the machine gun‚ and the atom bomb. "The Death of the Ball Turret Gunner" gives a small insight to such chaos. It is a poem written by Randall Jarrel while he served in the Army Air Force during World War II. It is a poem about the thoughts the gunner might have felt as he carried out his mission‚ and is probably based on firsthand experience with a ball turret or a gunner.
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Question : Her First Ball Themes “Her First Ball” is a short story written by Katherine Mansfield’s‚ Mansfield’s mainly focuses with the shortness of happiness and joyful moments in human life. In this story‚ the protagonist is a young girl called Leila who with her cousins attends her first ball‚ a large formal ball with dancing. The main themes of this story are very dramatically described throughout the short story. The story tells us the idea of a girl’s first experience of a ball dance. Leila was
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Final analyze and Game report of ERPsim Distribution Game To: Dr. Shirley Stretch-Stephenson Group C H Members: Iris Huang Ankit Sethiya Ken Chen Yuankai Wang (GS) After 2 trial rounds of ERPsim distribution game‚ our group got rank 2 out of 4 groups (actually climbing from rank 3 to 2). So everyone in the group is fully confident about the real game running in the upcoming week. After several discussions‚ we settled
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Ball mill is advanced technologies and energy-saving‚which is not only high grinding capacity but also low energy consumption.what is the main advantage of ball mill?How to use ball mill ?Ball mill is suitable for grinding all kinds of ores and other materials‚ which is widely used in mineral dressing‚ building materials‚chemical and other industries‚ Ball mill can be divided into dry type ball mill and wet type ball mill. Ball mill is widely used in refractory plant‚ cement plant‚ glass plant
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