Calculating Efficiency. Efficiency (%) = Useful Energy Out x 100 Total Energy In Questions 1) A light bulb takes in 30J of energy per second. It transfers 3J as useful light energy and 27J as heat energy. Calculate the efficiency. 2) A kettle takes in 2000J of energy per second. It transfers 1500J as useful heat energy and 500J is wasted as sound energy. Calculate the efficiency of the kettle. Remember: In the exam they may not
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Gender roles have caused strain over decades to not only females‚ but recently males as well. There are many attributes that humans have associated with each gender‚ causing a divide between sexes not only with each other‚ but also separating the two into almost completely different species. Due to this categorizing which is placed on gender‚ there can be a declining value of a person or even a higher hand given to the one gender which is seen as more powerful to society. The stereotypical labeling
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What do people managers do? Who are studying for the professional exams of the Chartered Institute of Personnel and Development (CIPD)‚ describe the general role of people management as comprising specific objectives under four headings: staffing‚ performance‚ change management‚ and administration. Staffing objectives are firstly concerned with ‘getting the right people in the right jobs at the right times’ – i.e. the recruitment and selection of staff‚ but increasingly these days also advising on
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Due to the fact that I was not born in the United States‚ I didn’t learn American history; therefore‚ my knowledge about pilgrims is very limited. I know the basics about how Thanksgiving came to be. There was a Native American who helped teach the pilgrims to plant corn by using dead fish as fertilizer. His name was Squanto. The pilgrims and the natives came together and feasted on turkey. Thanksgiving became a holiday and turkey became the main dish. I didn’t know that there was another Native
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Pencils and Playgrounds: What Can Outside Play Do For A Child? For many kids of the Elementary age‚ if you ask them what their favorite subject is‚ a lot of them will say “recess”. Though the response is not exactly answering the question‚ there is some merit to what those kids are saying. Countless studies over the years by numerous scientists have proven that play is beneficial. That being said‚ there are some studies‚ if not just as many‚ making the case that play during school hours should be
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piece‚ I was quite saddened by the fact that the Professor needs to ask questions of what might happen if you do something like this or that. It’s sad because a person during this modern era‚ needs to be threatened of the consequence of their action instead of realizing what is right or wrong from the very start. In my very young career‚ I have come face to face with different situations which could destroy my ethics‚ very tempting offers wherein I can earn quite a large sum. “May 1‚000php per trip
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Meteorologists are very involved in the world today. You might see them on T.V or hear their voice on the radio. Wherever they are they help you in many ways. The word "meteorology" refers to the Greek word meteoron. Meteoron refers to an astronomical phenomenon. The science of meteorology was eventually referred to the study of the atmosphere. Meteorology is the study of the atmosphere. Meteorologists‚ also known as atmospheric scientists‚ study the atmosphere’s physical characteristics‚ motions
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The 1830’s marked a new beginning in American Politics; the Second Party System. This is a period in time where the Whigs and Democrats emerged as the major political parties. The Whig Party was created by those who were against Presidents Jackson’s policies and who opposed the Democratic Party‚ while the Democratic-Republicans converted to Democrats. Although both parties aided in democratization‚ the parties ran on very different platforms (Norton‚ 2015). The Whig Party was similar to the Federalist
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Thomas 1 Caroline Thomas Mrs. Raney 5th Period 22 February 2017 Discus Flying through the air like a flying saucer‚ the discus and the athletes ability to throw it has been studied and changed over hundreds of years. The famous game of discus throwing dates back to Ancient Greece‚ where the game was appreciated for its presentation of an athletes preciseness and arrangement‚ combined with their natural power. In Ancient Greece‚ the discus was thought to be one of the most effortless event. The
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INTRODUCTION Among the investment avenues‚ commodity futures trading is a fast growing sector with huge untapped potential‚ along with the financial markets. The major difference between commodity and financial markets is that‚ in commodities futures physical delivery takes place where as in the capital market it does not. In these markets‚ there are farmers‚ industrialists‚ warehouses‚ consumers‚ dealers and traders‚ who buy and sell commodities. There are warehouses‚ which stores commodities
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