Solve each of the following problems. Show your solution. 1. A hydraulic lift office chair has its seat attached to a piston with an area of 11.2 cm2. The chair is raised by exerting force on another piston‚ with an area of 4.12 cm2. If a person sitting on the chair exerts a downward force of 219 N‚ what force needs to be exerted on the small piston to lift the seat? Answer: a= 11.2 cm2 A= 4.12 cm2 f= 219 N F= 80.56 N F= fA / a ;
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NEBOSH International Diploma - Unit A Health is the complete state of physical‚ mental and social well being. Safety is freedom from danger. Environment‚ the totality of our surroundings. There are two types of environment. i.e. Internal Environment and External Environment. Q 1. Outline the reason to maintain good standard of Health and Safety at Work Place (10 M) There are basically three reasons to maintain good standard of Health and Safety at work place. These reasons can be summarised as
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SECTION A (You should attempt all 10 questions) A1. Regression analysis is ____________________________________. A) describes the strength of this linear relationship. B) describes the mathematical relationship between two variables. C) describes the pattern of the data. D) describes the characteristic of independent variable. A2. __________________ is used to illustrate any relationship between two variables. A) Histogram B) Pie chart C) Scatter diagram D) Frequency
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Analytical Unit Crime analysis is the systematic study of crime and disorder problems as well as other police related issues. The discipline of crime analysis began in London in the early 19th century‚ but it was not until the early 1900’s that crime analysis was practiced in the United States. During the 1970’s‚ publications about crime analysis techniques and functions came out‚ and more police departments began to formalize crime analysis. Nowadays crime analysis is well known; analysis is one
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e SOC 1502 Unit 5 332016 Written Assignment Unit 5: Global Inequality Global inequality is analyzed by sociologists in terms of three different theories: modernization theory‚ dependency theory and the theory of globalization. The dependency theory is viewed as a revolutionary ideology of Eurocentrism that is best expressed by modernization theory. Modernization theory is regarded as equally Eurocentric and has been so from the start of its implementation. With the failure of national development
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INTRODUCTION What is Social Cost Benefit Analysis? Cost-benefit analysis is a process for evaluating the merits of a particular project or course of action in a systematic and rigorous way. Social cost-benefit analysis refers to cases where the project has a broad impact across society {and‚ as such‚ is usually carried out by the government. While the cost and benefits may relate to goods and services that have a simple and transparent measure in a convenient unit (e.g. their price in money)
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REGRESSION 1. Prediction Equation 2. Sample Slope SSx= ∑ x2- (∑ x)2/n SSxy= ∑ xy- ∑ x*∑ y/n 3. Sample Y Intercept 4. Coeff. Of Determination 5. Std. Error of Estimate 6. Standard Error of 0 and 1 7. Test Statistic 8. Confidence Interval of 0 and 1 9. Confidence interval for mean value of Y given x 10. Prediction interval for a randomly chosen value of Y given x 11. Coeff. of Correlation 12. Adjusted R2 13. Variance Inflation
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Models of Abuse For the purpose of this assignment‚ the intention is to describe the four theoretical models of child abuse. The 4 models that I will be looking at are; the medical model of abuse‚ sociological model of abuse‚ psychological model of abuse and the feminist model of abuse. I will also be looking at the aspects of the theories that are similar or different. To conclude I also intend to evaluate the four theoretical models of abuse by identifying the advantages and disadvantages. The
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This product is a 10 DC Input‚ 8 Relay Output DL105 Module that was made by Automation Direct. This module is a product of Koyo‚ PLC Direct‚ and Facts engineering working together. This version of the module has a 10-30 VDC power supply instead of a VAC powered output. To protect the module from noise pollution‚ the module has a protective NEMA casing. The diagnostics of the module allow the users to debug and identify problems. The drive has the dimensions 5.12 x 3.16 x 3.63. The ambient temperature
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E1- describe the development of children in a selected age range and in TWO (2) areas of development. All children are different and develop at a pace specific to them. Some children develop earlier than others and some never fully develop. Lots of things can affect development such as the environment they are brought up in or their abilities and disabilities. Each child develops physically at different pace but a child of 12 months should be able to stand alone briefly and maybe take a few steps
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