More Equilibrium Problems 1. A uniform 25 kg bar‚ 6.0 m long‚ is suspended by a cord as shown. What is the tension in the cord? 270 N 2. A boom hinged at P is held stationary‚ as shown in the diagram below. If the tension in the supporting cord‚ attached three-quarters of the way along the boom from P‚ is 720 N‚ what is the weight of the boom? 2160 N 3. A uniform beam 6.0 m long‚ and with a mass of 75 kg‚ is hinged at A. The supporting
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United States Air Force I always wanted to go into the military as a little kid. Now‚ actually being at the age of what I need to decide on what I’m going to do for my future is a little harder than I thought it was going to be. I have chose to do my project on The United States Air Force. It has always intrigued me to join the military because of my grandfather. He was in the Air Force and always told me stories about when he was in the service. I really wasn’t sure about what branch to go into
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everywhere except near the poles. Paralleling the changes in the climate is an unprecedented increase in the concentration of greenhouse gasses in the atmosphere. This increase is produced by human activities such as burning fossil fuels‚ the clearing of vegetation‚ and in the case of methane‚ cattle and rice production. Not for at least the last four-hundred and twenty years has there been so much carbon dioxide and methane in the atmosphere. (Pg. 15-16) What will happen if we continue to emit increasing
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started growing plants and herbs - think the best organic cilantro you’ll taste - from seeds. In the process of growing and living with plants‚ I’ve observed them enough to pick up a few life lessons. I didn’t realize how disconnected I was with nature‚ until I started having to water baby plants every day with a mister‚ and checking to see if any leaves had discoloration on my older plants.
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An electron gun fires electrons into a magnetic field directed straight downward. Find the direction of the force exerted by the field on an electron for each of the following directions of the electron’s velocity: (a) horizontal and due north; (b) horizontal and 30° west of north; (c) due north‚ but at 30° below the horizontal; (d) straight upward. 2. (a) Find the direction of the force on a proton moving through the magnetic fields in Figure 1‚ as shown. (b) Repeat part (a)‚ assuming the moving
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Mass 6.00 kg moved by 18.0N. What is its acceleration? Divide both sides by m a=18N/6.00kg convert N = 18N * 1kg*m/s^2 = 18kg*m/s^2 a=18kg*m/s^2/ 6.00 kg = 3m/s^2 a=3m/s^2 7. Truck pulls trailer with friction force of 870 N and a coefficient of friction 0.23. What is the trailer’s normal force. 870N=.023(FN) divide by .023 FN=870N/.023 FN=37826.7N 9. mass 13.0 kg dropped from a cliff. Find its weight Fw=13.0kg * 9.8m/s^2 Fw=127.4kg*m/s^2 Fw=127.4N 13. A force of 175N needed to keep a 640N
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THE UNIVERSITY OF THE WEST INDIES Name: Faheema Kareema Baksh I.D. #: 811001905 Course: Introduction to Engineering- MENG1006 Plant Visit Report National Flour Mills Limited Plant Visited On 13th October‚ 2011 Report Due On 14th November‚ 2011 Contents Abstract The purpose of this report is to relate what was learned when the engineering student had a site visit to National Flour Mills Limited‚ a company which specialises in the manufacturing of flour and other staple
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Niccolo Ortega English 12/02/12 Armed Forces Any of you like partying? Having the time of your life using drugs and alcohol? If so then the military is not for you. On a serious note‚ do you ever wonder what you would do after college? Even with a college degree? We are all aware of the shortage of jobs and now-a-days college degree aren’t enough. Well in the military‚ entering with a college degree gives you a higher rank. Being in the military also gives you good pay‚ good benefits and a
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5 Competitive Forces Analysis 1. Rivalry among existing firms(competitors) Competitiveness of enterprises and the current does not play a very important role in Disney’s external business environment. That is true‚ the company’s very high exit barriers. In addition‚ the ability to increase in a very large investment. Therefore‚ there is no strong direct competitors Disney’s business. Competitors‚ such as "Lonely Tunes" retail stores bear the expensive advertising to gain market share.
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Universal Gravitation Apples had a significant contribution to the discovery of gravitation. The English physicist Isaac Newton (1642-1727) introduced the term "gravity" after he saw an apple falling onto the ground in his garden. "Gravity" is the force of attraction exerted by the earth on an object. The moon orbits around the earth because of gravity too. Newton later proposed that gravity was just a particular case of gravitation. Every mass in the universe attracts every other mass. This is the
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