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INTERNATIONAL BACCALAUREATE ESSAYS
Review of goleman’s emotional intelligence
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Emotional intelligence has been a thriving field of study, since Gardner and other scholars argued that IQ is not the entire aspect of human intelligence. Daniel Goleman believes that emotional intelligence, or EI, has a critical role to play in human functioning and organizational development
Decision analysis shuzworld
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Shuzworld is a national retailer that has its headquarters in Omaha Nebraska, which deals primarily with the selling of shoes, boots, and sandals. It also produces its individual line of products ranging from work boots and sandals to rubber boots and rainwear and sport and adventure wear
Circular motion lab
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Defining the problem and selecting variables Problem: How does a change in the length of the radius affect the velocity of the stopper? Research: Circular motion can be expressed in terms of formulas as it directly links to Newton?s 2nd law, f=ma. Fc  = m*a This relates to circular motion as in circular  motion: v2 Ac   =r Because f= m*a We can say that: v2 Fc     = mr V = rev / s ? 2nr T ( period) =1 / ƒ Frequency = number of revolutions per  second Variables Independent  variable(s) (manipulated): Radius Dependent  variable(s) (measured): Velocity Controlled variable(s) (constant): Human Error Friction Air resistance Technology Aspect 2 − Controlling  variables The variables were controlled in the following ways: Independent: Radius- during the Experiment that we conducted our independent variable that we controlled was the radius
Hooke’s law: determining k for a spring
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Aim: To investigate Hooke’s law for simple springs of  rubber Hypothesis: The relationship between a load force and a light spring (F=k.x) was first determined by Robert Hooke in the 17th century
Gama rays
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Gamma rays refer to the high energy photons that are emitted by radioactive nuclei. They   are a form of electromagnetic radiation, just like visible light or x rays, but with a much higher energy
Focal length of a converging lens
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Aim: To find the radius of curvature and the focal length of a converging lens by experimental method Hypothesis: The relationship between u, v, and the focal length f for a converging lens is = l = l + lf            u          v where f is the focal length of the lens, u is the distance between the object to the lens and v is distance between the images to the lens. Variables: Independent Controlled Dependent Different  types                 of lens used Distance between the candle and the lens Experiment  conducted at a dark room Same projection screen used   Focal length of the lens and the distance between the image and the lens Materials: Item Quantity Accuracy Candle & Matches 1 - Converging lenses 5 - Screen 1 - Distance marker 1 6l ±0
What are fiber optics?
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Fiber optics (optical fibers) are long, thin strands of very pure glass about the diameter of a human hair. They are arranged in bundles called optical cables and used to transmit light signals over long distances
Horizontal circular motion lab
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Aim: Determine the mass of a metal mass using the principles of horizontal circular   motion. Experimental Design: A stopper that is attached to a vertical mass will be swung in horizontal circular motion using a specially set up apparatus
Range of a rubber band
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Aim The aim of this experiment is to find how the amount of stretching, when shooting a rubber band, affects the length of the shot. Hypothesis When you stretch an elastic rubber band, you store potential elastic energy inside it
What are fiber optics?
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Fiber optics (optical fibers) are long, thin strands of very pure glass about the diameter of a human hair. They are arranged in bundles called optical cables and used to transmit light signals over long distances
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