Hoo Sze Yen www.physicsrox.com Physics SPM 2011 CHAPTER 3: FORCES AND PRESSURE 3.1 Pressure Units of pressure Unit Note Pa SI unit N m-2 Equivalent to Pa N cm-2 cm Hg m water atm 1 atm = atmospheric pressure at sea level bar 1 bar = 1 atm Pressure is the force which acts normal per unit area of contact. P= F A where P = pressure [Pa] F = force [N] A = area [m2] For atmospheric pressure only 3.2 Pressure in Liquids Pressure in liquids are not dependent on the size or
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Periodic Table of the Elements Group 1 Group 18 1 1 1.00794 1 2 H 1s1 Hydrogen Group 2 Atomic Number Key 30 65.39 2 Atomic Mass 4.002602 0 He Group 13 Group 14 Group 15 Group 16 Group 17 1s2 Helium 3 2 (6.941) 1 4 9.012182 2 Li [He]2s1 Lithium Be [He]2s2 Beryllium Zn [Ar]3d104s2 Zinc Oxidation States Symbol Electron Configuration 5 10.811 3 6 12.0107 ±4‚2 7 14.0067 ±3‚5‚4‚2 8 15.9994 -2 9 18.9984032 -1 10
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Unit 2: America in the 20th century Written Assignment #2 Total points possible: 100 Directions: Choose ONE of the paper topics below and follow the specific directions indicated for your chosen assignment. You should be submitting a typed‚ double-spaced‚ size 12 font paper approximately 3-5 pages in length. Any papers should be submitted in MLA or APA citation format. After you have written your finished assignment‚ upload your paper as a file to the Turnitin Assignment located on Moodle. Papers
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Barack Obama Two presedential candidates and many different issues between them. Both candidates have much to offer‚ but which will offer more to the country. Barack Obama has much to offer and has many good ideas to help better our economy and better everyones ideology in what the beleive. President Barack Obama’s ideas will benefit us all‚ weather you are rich or poor‚ middle class or upper class it will benefit us. His ideas will help the working class and will put many people back into work
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Austin Nash Ms. Bonnette English III 5 February 2010 Fast Food‚ Fast Jobs‚ Fast Migration “Hello‚ welcome to McDonald’s! May I take your order?” These are the words no person wishes to repeat hour after hour‚ day after day‚ and month after month at a job. Despite this fact‚ thousands of people wake up each morning and have no choice but to slap on a uniform and a smiling face. These workers are known to have been abused‚ neglected and taken advantage of by their employers. And large quantities
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Fast Food‚ Fat Food Nowadays‚ fast food is a very popular trend in Thailand. Teenagers think it is very smart when they go into the fast food restaurant‚ especially‚ the restaurant which is a part of foreign franchise restaurants. Not only teenagers that like fast food but also children and adults. In the busy schedule of modern times people have no time to prepare nutritious food during the day so fast food becomes a very convenient choice. However‚ there are several health issues related to consuming
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EFFECT OF JUNK FOOD ON HEALTH * JUNK FOOD FACTS * ANALYSIS OF QUESTIONNAIRES * RESULT * QUESTIONNAIRES FILLED BY RESPONDANTS * BIBLIOGRAPHY INTRODUCTION Junk food is typically defined as foods with little nutritional value that are high in calories‚ fat‚ sugar‚ salt‚ or caffeine. It is widely believed that the term was coined by Michael Jacobson‚ director of the Center for Science in the Public Interest‚ in 1972. Common junk foods include salted snack foods‚ gum‚ candy
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comes to recalling tainted meat from the likes of fast food giants? It is true! While they have the power to recall a set of ill-prepared toys or a bunk line appliances they do not possess to power to recall a batch of meat contaminated with sickening diseases such as‚ E Coli. You may ask yourself “how is a fact like this is possible?”. In the following pages I will be informing you about transition from humble beginnings to the monster the fast food industry has grown to in present day. Firstly I
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Fast Food and Healthy Food Life today is not like how it was before. Along time ago‚ people ate foods that were field with balanced amount of nutrients value. Not with chemicals‚ preservatives‚ artificial colors and flavors which are known as Fast Foods. Long days of working and training effects our choices for food‚ a meal from nearest fast food restaurant becomes most appealing idea. Most of people who eat junk food more frequent don’t know its bad effect on their body which can be
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Fast Food Nation Fast Food Nation‚ by Eric Schlosser‚ is a stark and unrelenting look into the fast food industry that has ingrained itself in not only American culture‚ but in culture around the world. There is almost no place on earth that the golden arches has not entered. Aside from Antarctica‚ there is a McDonalds on every continent‚ and the number of countries that have fast food restaurants is growing on a daily basis. Schlosser describes in detail what happens behind the scenes‚ before
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