Cantilever Designed Lab Investigating the relationship between the position of the weight on the cantilever and the amount of deflection Introduction How does the position of the weight on the cantilever affect the amount of deflection? The independent variable of this experiment will be the location of the weight l on the cantilever because it will change throughout the experiment. The dependent variable will be the amount of deflection d because it will depend on the position of the
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PCCW Ltd. Introduction: PCCW Ltd. is a public limited multinational Hong Kong based information and communications technology company‚ established in 2000. Founded by Richard Li in 1993‚ it was known as “Pacific Century Regional Developments Limited” until 1999 when it changed its name to “Pacific Century CyberWorks”‚ then again when it merged with “Cable & Wireless HKT Limited” to PCCW Limited. The company is listed on the Hong Kong Stock Exchange (SEHK: 0008) since 1994 and its shares are
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TABLE OF CONTENTS Introduction ………………………………………………………. Literature Review…………………………………………………. Methodology ……………………………………………………… Presentation of Data……………………………………………….. Analysis of Data…………………………………………………… Interpretation of Data……………………………………………… Conclusions and Recommendations……………………………….. References and Citations…………………………………………… LITERATURE REVIEW Motivation refers to “the reasons underlying behavior” (Guay et al.‚ 2010‚ p. 712). Paraphrasing Gredler‚ Broussard
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1. The first electronic digital computer (called ENIAC - the Electronic Numerical Integrator and Calculator) was developed in 1946 and contained over 18‚000 vacuum tubes. | 2. The leg muscles of a locust are about 1000 times more powerful than an equal weight of human muscle. | 3. The cosmos contains approximately 50‚000‚000‚000 galaxies. | 4. There are between 100‚000‚000‚000 and 1‚000‚000‚000‚000 stars in a normal galaxy. | 5. Sound travels about 4 times faster in water than
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Name __________________________________ Electric Fields Go to HYPERLINK "http://phet.colorado.edu/simulations/sims.php?sim=Electric_Field_Hockey" http://phet.colorado.edu/simulations/sims.php?sim=Electric_Field_Hockey and click on Run Now. 1. You rub balloons in your hair and then hang them like in the picture below. Explain why you think they move apart and what might affect how far apart they get. When the balloons are rubbing together they are taking charges(electrons ) from
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Fawzi Abdelgani Ahmad . Experiment 1: Experimental Uncertainty (Error) and Data Analysis Jan/30/2013 PRELAB: 1. Do experimental measurements give the rule value of a physical quantity? Explain. No. Statistical methods are used to establish the deviations in the measurement. 2. Distinguish between random (statistical) error and systematic error‚ and give an example of each. Random errors are caused by unknown and unpredictable changes in the experiment like mechanical
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To determine the heating and cooling curve of water Design: What we are going to do is investigate the phase changes and what the heating curve of water is. We are going to do this is by heating up 100ml of water on a Bunsen burner then adding ice cubes. Use a thermometer to measure the temperature every 30 seconds until it reaches a plateau. Hypothesis: As more time passes‚ the temperature of the water increases. Independent variable: Time Dependent variable: Changing water temperature
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6. Applications * Is it possible to add heat to a body without changing its temperature? Yes. It is possible to add energy to a body (in the form of heat) and not raise its temperature by causing a phase change. When you heat ice it takes energy to convert it from ice to water‚ but does not change the temperature of the body until it is all converted. The principle behind this is what we call latent heat. It refers to the energy (or heat) required to change the state of a substance without changing
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Chapter 16 Active Filter Design Techniques Literature Number SLOA088 Excerpted from Op Amps for Everyone Literature Number: SLOD006A 16-1 Active Filter Design Techniques Thomas Kugelstadt 16.1 Introduction What is a filter? A filter is a device that passes electric signals at certain frequencies or frequency ranges while preventing the passage of others. — Webster. Filter circuits are used in a wide variety of applications. In the field of telecommunication‚ band-pass filters are used in the
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Introduction/Executive Summary and Product Description Yuban coffee is a brand of coffee you can find in your local grocery store that you probably did not know existed. It was founded by John Arbuckle‚ a famous coffee roaster‚ who has invented the original Yuban coffee in 1986. Yuban coffee only uses the best Arabica beans. In addition‚ Yuban is certificated by the Rainforest Alliance‚ which declares that at least 30% of Yuban coffee is organic. Chemical fertilizers and pesticides are not used on
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