...AP10005 Physics I Tutorial: Week 4 1. Three blocks are in contact with one another on a frictionless, horizontal surface as shown in the figure below. A horizontal force is applied to m1. Take m1 = 2.00 kg, m2 = 3.00 kg, m3 = 4.80 kg, and F = 16.5 N. a. Draw a separate free-body diagram for each block. b. Find the acceleration of the blocks. c. Find the resultant force on each block. d. Find the magnitudes of the contact forces between the blocks. 2. A crate of weight Fg is pushed by a force on a horizontal floor as shown in the figure below. The coefficient of static friction is μs, and is directed at angle θ below the horizontal. e. Show that the minimum value of P that will move the crate is given by P=μsFgsecθ1-μstanθ f. Find the condition on θ in terms of μs for which motion of the crate is impossible for any value of P. (Use the following variable as necessary: μs.) 3. What horizontal force must be applied to a large block of mass M shown in the figure below so that the tan blocks remain stationary relative to M? Assume all surfaces and the pulley are frictionless. Notice that the force exerted by the string accelerates m2. (Use the following as necessary: m1, m2, M, and g.) 4. A crate of eggs is located in the middle of the flat bed of a pickup truck as the truck negotiates a curve in the flat road. The curve may be regarded as an arc of a circle of radius 30.5 m. If the coefficient of static friction...
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...The Impacts of Recruitment Practice at Commercial Bank of Ethiopia Chapter One: Introduction This chapter consists of background of the study, statement of the problem, general and specific objectives of the study, significance of the study, scope of the study, limitation of the study and organization of the paper. 1.1 Background of the Study The government of Ethiopia has launched economic reforms, financial liberalization measures and restructuring of financial institutions with the aim of promoting a competitive environment and efficient banking services to the public. The financial sector, with implementation of flexible interest and exchange rates that are market-lead, shows sign of improvement. In addition, the coming in to effect of the Licensing and Supervising Banking and Business Proclamation No. 84/1994 propels the emergence of many private banks in the market since 1994 (Kiyota et.al, 2007). This joined by rapid technological advancement and improved communication systems, has contributed to the increasing integration and resemblance amongst banks in the financial sector. As a result, banks are now faced with very high and intense competition amongst them (Harvey, 2010). Hence, in order to win this intense competition and maintain their market share of the bank industry; Human resources management is critical to the success of organization because human capital qualities that make it valuable, in sense high quality employees provide that a needed services as they...
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...IIBM Institute of Business Management Examination Paper Business Ethics Section-A Part One: Multiple Choices: 1. (a) Information Technology 2. (a) Equal distribution of all benefits & burdens on peoples 3. (c) Retributive Justice 4. (b) Free Markets 5. (d) Historical Materialism 6. (a) Pure Monopoly 7. (a) Highly concentrated Markets 8. (b) Chlorofluorocarbons 9. (b) Market Cost 10. (c) Both (a) and (b) Part Two: 1. Definition: Mineral depletion is the ratio of the value of the stock of mineral resources to the remaining reserve lifetime (capped at 25 years). It covers tin, gold, lead, zinc, iron, copper, nickel, silver, bauxite, and phosphate. At first glance, sustainability and mineral resource development appear to be in conflict. Mining depletes finite resources and in a strict sense, therefore, is inherently unsustainable. For instance, there is only a finite amount of copper in the earth’s crust, and each unit of copper extracted increases the fraction of the total copper resource base that is in use. Thus, it can be argued that if we continue to mine we will eventually exhaust the available supply of minerals. This perspective, however, ignores the dynamics of mineral supplies. In practice the non-renewable character of minerals may be less constraining than it might seem. Five factors make the benefits from mining much more sustainable than they initially appear to be. First, through the process of exploration and development...
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...Cameron Writing prompts 1. About 7 years ago, December 2009, my brother and I went to play in the snow. Now normally there would be a very small amount of snow barely enough to make a snow man, but this snowfall was different. This year it snowed so much school was cancelled and I felt like the world was under a white blanket trying to stay warm during the winter months. There was a large field behind our house that looked so barren and empty. We thought we should liven it up. We rushed into our snow clothes like a kitten rushes to milk. After getting into our clothes we hopped what seemed to be 10 foot fence into the empty clearing. My first thought was that this was our kingdom and we were the kings, we could do whatever we wanted here. This untouched snow field was ours for the taking. My brother rushed a pile of snow into a large ball and I started a snow base. In my current state of building I hadn’t realized my brother was busy making snowballs and readying up for a brother against brother snowball fight. As constructing a base I feel a baseball sized ice shard. I quickly turned and saw my brother hiding behind the wall I built for my protection. I rapidly formed bumpy misshapen snow ammunition to retaliate. We start firing, and I end up getting smacked in the nose so hard blood gushed out like the amazon into the ocean. In the moment I pinch my nose and run for home. We get to the towering fence. My brother hopped on and climbed like a spider monkey. I latched...
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