SACE Stage 2 Physics Electric Fields 1 Solution 1. (a) State Coulomb’s Law. Any two point charges have acting on them equal sized oppositely directed forces acting along the line joining their centres. The magnitude of these equal sized forces is directly proportional to the product of the charges and inversely proportional to the square of their distance apart. The forces are attractive for unlike charges and repulsive for like charges. [pic]. e.g.
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The extent of homelessness Homelessness is a serious problem in the United States. Present statistics estimate that approximately 3.5 million people‚ of which 1.35 million are children‚ are likely to be homeless in any given year. (How Many People Experience Homelessness?) Studies have also established that “…1% of the U.S. population experiences homelessness each year…” (How Many People Experience Homelessness?) Furthermore the figures also indicate that the incidence of homelessness is on the
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will be the star of this chapter. First‚ I will describe how the weight of the bob in the swing of a pendulum affects the amount of swings that a pendulum can swing in a certain amount of time. If the bob is light‚ like a penny or a paper clip‚ the pendulum can swing a large amount of times because the pendulum does not have a lot of weight to carry at the end of it. If the bob at the end of the string is heavy‚ like a half-dollar or a quarter‚ the pendulum cannot swing as many times as it could with
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For my field placement this semester I was placed at Wadsworth Elementary in Ms. Halsey’s third grade classroom. In Flagler County schools have gone full inclusion so the majority of ESE students and students with an IEP or 504 plans are placed in a mainstream classroom. There are still classrooms available for students that are severely disabled and cannot work in a general education classroom. The school also has a pullout program so students that have learning disabilities or need to work in a
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How to Run a Marathon Introduction Marathons were introduced into the athletic world in the ancient Greek Olympic games. The idea of running 26 miles came from the story of Phidippides‚ a messenger who ran 26 miles to inform Greek forces of their victory in the city of Marathon. Marathons can be very rewarding‚ but if you train improperly‚ it can impede your ability to race the rest of your life. Pre-training The first step is to select the right equipment. Before running‚ you need to stretch
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medicine concerned with treating or investigating diseases‚ injuries or disorders‚ using manual or operative procedures. There are many different specialties within surgery‚ each of which focuses on a different area‚ as follows: Cardiothoracic Surgery- This branch of surgery concentrates on the heart (cardio) and chest area (thoracic). Cardiothoracic surgeons perform procedures you may have heard of such as heart bypass surgery‚ heart valve repair/replacement and can also be involved with operative procedures
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1. How did you feel while you were going around the community? What things did you learn that you might have taken for granted before? I felt unaware of some things happening in the community which are affecting the lives of the pupils. I learned the importance of good communication with the government and other linkages to resolve the issues concerning the issues of the school. I also learned that community has many functions to promote the common goal which is quality education. I’ve known that
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Acid-Base Titration Using a pH Meter Bradley Holloway and Jennifer Parker Period 6 April 16‚ 2013 Introduction: In chemistry‚ the ability to find molarities of acidic and basic solutions is a convenient way to convert between moles of solute and the volumes of their solutions. Through the process of titration‚ the molarity of these acids and bases can be found to a high level of precision. To begin titration‚ one solution is added to a second solution slowly until a certain point
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“Why do you want to work in this field” I want to work in this field because as a child‚ I was not given the best fertilizer to thrive in a classroom; being coddled and not being held to my fullest potential. I feel that it is my duty to prepare students for a lifetime of success through a well structured‚ fun‚ and friendly‚ environment. Through this environment‚ I hope that with my hard work‚ dedication‚ and help of my colleagues‚ the younger generation of tomorrow will have a pleasurable learning
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