The compound pendulum Consider an extended body of mass with a hole drilled though it. Suppose that the body is suspended from a fixed peg‚ which passes through the hole‚ such that it is free to swing from side to side‚ as shown in Fig. 98. This setup is known as a compound pendulum. | Figure 98: A compound pendulum. | Let be the pivot point‚ and let be the body’s centre of mass‚ which is located a distance from the pivot. Let be the angle subtended between the downward vertical (which passes
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how many children have access to guns in their households. Questionnaires were distributed to all parents who attended selected clinics in the Chicago area during a one-week period for well or sick child visits. Suppose that the quantity of interest is percentage of the households with guns. Describe why this is a cluster sample. What is the psu? The ssu? Is it a one-stage or two-stage cluster sample? How would you estimate the percentage of households with guns‚ and the standard error of your estimate
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Contemporary Issues in American Education Erica R. Jenkins University of Phoenix‚ Axia College AED/200 June 20‚ 2009 Can Retention Be Good For a Student? Existing policies in many districts‚ is of one that promotes social promotion if the parent(s) are adamant about retention. Social promotion‚ is it the right choice for our struggling children? Are there alternative methods to retention? What is best for our students? There are way too many case studies that support
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A phone can be used for educational purposes. Students should definitely be able to use their phones during class. A phone is a great device. It can used for many educational things like research‚ projects‚ calculators‚ and even putting in important dates when a homework assignment or a project is due. You can also use a phone to call or text your parents if maybe you forgot your lunch at home‚ need lunch money so you can eat at school‚ or to let them know that you have tutorials after school that
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Family and Household The word family comes from the Latin word familia which means household. This seems to be fitting since they both seem synonymous. In the dictionary the definition of family is a group of individuals living under one roof and usually under one head or a group of persons of common ancestry. The definition of household is those who dwell under the same roof and compose a family or a social unit comprised of those living together in the same dwelling. Even the definitions
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Harmful Household Items Michael Braun Le Cordon Bleu Environmental Science ENV333 - 02B Susanne Marshall December 11‚ 2013 Harmful Household Items There are many items around your house that you use every day that could potentially be harmful if not handled‚ stored‚ and disposed of properly. I went through and picked out some items around my house that could be harmful: Scented Dish Soap – Dish soaps that have a fragrance usually contain a chemical called phthalates that can disrupt the
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Statistics can be very helpful in providing interpretation of reality but also can be used to distort our understanding. Discuss some of the ways in which statistics can be used or misused in different Areas of Knowledge to assist and mislead us‚ and how we can determine whether to accept the statistical evidence that is present to us. When you turn on the news‚ what do you hear? 1 in 10 people in South Africa have AIDS ‚ Unemployment Reaches New High of 9.3 Percent ‚ etc. Statistics is supposed
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The compound is the substance that can be two or more elements that can be changed. Water is a compound. It contains both Hydrogen and oxygen that can stand alone by itself. The mixture is when two different substances that are blended together. The air is a mixture of these elements carbon dioxide‚ nitrogen‚ and other stuff. Most mixtures are known to be naturally. The main difference between the compound and the mixture is how they are combined. In the pure substance‚ the only way to know if
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Elements and compounds are a result of the actions of the valence electrons. There are three types of bonds that I have learned about in the bonding comparison lab. These bonds include ionic‚ polar covalent‚ and non-polar covalent. Each of these bonds and the element compounds connected to them has individual solubility‚ conductivity‚ melting point‚ and volatility levels. The three element compounds that will follow are sodium chloride‚ sucrose‚ and p-dichlorobenzene. Sodium chloride is an ionic
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Unit 9:Promote Good Practice in Handling Information in Health and Social Care Settings. 1. Understand requirements for handling information in health and social-care settings. 1.1 Identify legislation and codes of practice that relate to handling information in health and social care. All staff need to make sure that confidentiality is paramount. Staff have to read and understand the Data Protection Act of 1998. They have to make sure that they are clear about their standards of conduct‚
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