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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Written Assignment – Project‚ Part D I believe that WHS is extremely important and is an essential part of every day at work. Apart from the basic instinctive regard for our health and safety‚ there are many reasons why WHS should be priority in the workplace. They include: • Legal Obligations • Community expectations that organisations have a responsibility for those that work for them • Ensures a safe working environment for all staff • Insurable costs such as workers’ compensation premium that
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Imagine how hard it would be living in a world where everything you do is controlled and limited. That is why it’s important for people to be able to read and comprehend because it shows that the person has an understanding of what they’ve read and not just simply read it. It limits a person who isn’t able to read and comprehend because it shows the person doesn’t have knowledge and understanding. It would also make them have to rely on someone else to help them understand the information. If that
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“actions speak louder than words…I’ll believe it when I see it” and one day‚ your girlfriend will get mad at you because you forgot your 2nd month anniversary and you’ll swear to her that you’ll never forget again because you love her so much and she’s important to you and you don’t want to lose her and then she’ll sigh with slight disbelief and sluggishly say “actions speak louder than words…I’ll believe it once I see it”. Point is‚ no matter what you say‚ how you say it‚ or even how much you mean it‚ other
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“Why Latin?” It’s a phrase I hear commonly with every Latin class I take‚ and it is emphasized to stress the significance of this dead language. So‚ why take Latin? Throughout my five years of Latin I have heard many reasons ranging from vocabulary to SAT scores‚ but in this essay‚ I will discuss the four most important reasons to take Latin. Throughout my years of Latin‚ I have learned the meaning of various Latin phrases that appear throughout the English language. I have a deeper understanding
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Why is it important to be bilingual? Answer: Being bilingual allows you to communicate better with other people. It can aid you in school‚ business‚ travel or everyday life. Many people find that learning a second language also helps them improve their first. Phonetics‚ grammar points‚ and other things that native speakers usually take for granted‚ you will start to notice in your own language after learning about them in another. It’s important to be bilingual because it knowing two
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usually the second person we meet when we first enter a restaurant‚ after being seated by the host. The server is also the person who is to ensure we have excellent service. Many people eat out often and we may ask ourselves‚ “Do we leave a tip or not?” Why should we tip our server?” or there are only twelve of us so will $2.00 work?” We may not all agree with tipping‚ but we should tip. The average customer doesn’t realize how much a server makes hourly. We only see half of what our server is required
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When Mark Twain said‚ “Whenever you find yourself on the side of the majority‚ it is time to pause and reflect‚” he implies that acceptance of the majority rather than the rejection is a matter to be questioned. Every human being is born with a natural right to be and choose what he or she desires. We have the right to make choices that will lead to an ultimate consequence and we are free to choose the actions that will lead to that desired consequence. To some‚ the freedom of individuality may sound
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How Much Protein Do You Really Need? Why is protein important? Protein is part of an important food group that you will need in order for your body to be able to function properly. As a macronutrient‚ protein allows your body to undergo proper growth and development‚ as well as to strengthen its immunity against various sicknesses and diseases. Protein is also responsible for acting as the main building block that repairs your tissues‚ organs‚ tendons‚ muscles‚ and even your bones‚ skin‚ and eyes
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Salvation and the Importance of the Soul in the 15th Century In an era filled high infant mortality‚ short life expectancy‚ and daily public executions‚ it is no surprise that beliefs concerning salvation and the afterlife were something that was on the forefront of the minds of people living in Medieval and Renaissance era. For people living during this time‚ there was a heavy emphasis placed on the morality of one’s daily actions. People were unsure of whether or not they were predestined for
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