below‚ is rotating clockwise at 100 revolutions/second in a dark room. A human observer uses a strobe that flashes 99 times/second to observe the spot on the metal disk (a strobe is a flashing light whose rate of flashing can be varied). The spot appears to the human observer as if it is rotating slowly. Hint: This is equivalent to sampling a 100 Hz wave with a 99 Hz sampling rate. Because this represents a violation of the Nyquist theorem‚ an aliasing condition will result. The resulting
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Role of play in child development. Erikson states that play is a diagnostic tool that tells us about the child‚ he also believes that two of the major functions are to resolve problems‚ and creative expression. Piaget‚s 4 stages of cognitive development are Sensorimotor 0-2 where children begin to act intentionally‚ for example knocks a mobile. Pre-operational 2 – 7 classifies objects by a single feature‚ for example groups together the same colour building blocks. Concerete operational
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Physical Geography is all around us at all times. It is a part of our daily lives. It has many roles. But what role does physical geography serve in surfing? For years now‚ many have taken on the challenge of surfing. Certain beaches and locations around the world are known to offer awesome waves to ride for professionals and novices. Many focus on the challenge of getting onto a surfboard and learning the ways to balance themselves to ride waves out and soon be labeled a surfer. Many however
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What are the benefits of playing online games for children? Quite a number of parents automatically think that online games do more harm than good to their children‚ however playing games online can provide some benefits to your children’s skills development. If parents create reasonable guidelines with their children and create positive agreements around playing online games then struggles like kids staying up late playing on their computers; disinterest in school activities or work and problems
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(specify) :___________________ Annual Income: □ Below 100‚000 □ 100‚000 to 300‚000 □ 300‚000 to 500‚000 □ Above 500‚000 1. Do you have a mobile telephone handset? : □ Yes □ No 2. Which of the brands below do you have? : □ Nokia □ Samsung
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Reasons to Start Playing the Guitar English Project: Persuasive Essay Rafael Madrigal The guitar is a six-stringed instrument that captivates who ever listens to the beautiful sound it creates. It´s one of the most popular instruments in the world‚ not only because of its portability but it’s fairly simple to learn. People who decides to learn how to play guitar often make do so because is easy to carry around and there are many people out there to learn from‚ what they don’t know is that it
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1. What are the six regions of the Sun? The Sun’s regions are the core‚ the radiative zone‚ the convective zone‚ the visible surface‚ the chromospheres‚ and the corona. The core‚ radiative zone‚ and convective zone make up the interior of the Sun. The visible surface‚ chromosphere‚ and corona make up the exterior of the Sun. 2. What is nuclear fusion? What role does nuclear fusion play in the Sun? Nuclear fusion happens when two atomic nuclei combine to form one heavier nucleus. Since the majority
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how to improve your life. After all‚ we can learn from our mistakes. In the media we hear of many people being given another chance‚ children being reunited with parents and people narrowly escaping death and becoming better people. In the novel Playing for Pizza‚ the author‚ John Grisham illustrates the idea that being given a second chance teaches you valuable life lessons. Rick Dockery‚ the protagonist‚ learns much about life lessons and their effect after having been given a second chance. Life
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In Cat’s Cradle‚ the extended metaphor of a cat’s cradle and looking closer and seeing nothing is a commentary on scientists. This idea is particularly prominent through the character of Felix Hoenikker. Hoenikker played a role in developing the atomic bomb‚ and throughout the novel we see people who automatically perceive him as an evil person due to his scientific work that led to mass devastation in Hiroshima. Frank also developed “ice nine” which at the end of the novel is responsible for the
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short story "Blackberries‚" written by Leslie Norris‚ such simple events take place‚ but in truth‚ changes one ’s life forever. The tale of a young boy goes through a series of trials and tribulations that first seem almost at the point of nirvana‚ but in the end leads him to the harsh realities of life. Norris portrays a great deal of character contrast between the young boy ’s parents and a strong use of symbolism with the blackberries‚ while all three characters play a keen role that displays
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