Rendon Mr. Nichols 10/26/2011 Investigate factors that affect the period of a pendulum: The relationship between Density and Time Investigate factors that affect the period of a pendulum: The relationship between Density and Time IB Physics Internal Assessment IB Physics Internal Assessment Introduction The purpose of this experiment is to investigate the relationship between density and time in a homemade pendulum. In order to investigate the phenomenon‚ the density of the hanging object
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What does it take to become wicked? Wicked by Gregory Maguire depicts exactly what transpires in the lifetime of the wicked witch of the west. From birth to death Elphaba undergoes different transformations that swings her back and forward on the moral pendulum. Although this is a work of pure fiction‚ this novel does illuminate how different someone can be perceived when looked at through different a light. In Franks Baum’s The Wizard of Oz‚ the wicked witch embodies everything bad and evil in Oz
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Cyclical theory From Wikipedia‚ the free encyclopedia Jump to: navigation‚ search The cyclical theory refers to a model used by historian Arthur Schlesinger to attempt to explicate the fluctuations in politics throughout American History. Liberalism and conservatism are rooted in the “national mood” that shows a continuing shift in national involvement between public purpose and private interest. Each of these cycles includes a phase of dominant public interest‚ a transition phase‚ and a phase
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Just shy of his 52nd birthday‚ Chester Arthur became the 21st U.S. president on September 19th‚1881 after the assassination of President James Garfield. He served until March 4th‚ 1885. One of his biggest accomplishments was the passage of the Pendleton Act of 1883 which dictated that government job appointments be merit based. This was a surprise to many as his rise to power came through machine politics. He also tried to lower tariffs. He vetoed the Chinese Exclusion Act of 1882 but was overridden
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Physics SPM 2008 CHAPTER 1: INTRODUCTION TO PHYSICS 1.1 PENDULUM Hypothesis: The longer the length of a simple pendulum‚ the longer the period of oscillation. Aim of the experiment: To investigate how the period of a simple pendulum varies with its length. Variables: Manipulated: The length of the pendulum‚ l Responding: The period of the pendulum‚ T Constant: The mass of the pendulum bob‚ gravitational acceleration Apparatus/Materials: Pendulum bob‚ length of thread about 100 cm long‚ retort stand
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Rotational Dynamics Abstract Rotational dynamics is the study of the many angular equivalents that exist for vector dynamics‚ and how they relate to one another. Rotational dynamics lets us view and consider a completely new set of physical applications including those that involve rotational motion. The purpose of this experiment is to investigate the rotational concepts of vector dynamics‚ and study the relationship
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totally Controlled by his overpowering feeling that he and his family name had been Insulted. In the Pit and the Pendulum the unknown narrator is being driven By his emotions to survive and to get out of the pit. It seems Poe’s characters Are driven by their emotions. Another similarity a reader will notice is that usually male characters left Unidentified for example in The Pit and the Pendulum the entire story is Narrated by a man who is certainly unnamed‚ but is also vague regarding his Person. In this
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where T is the period of the pendulum and ωn is the natural frequency. The natural frequency can be calculated using Equation 9 ωn=mgh’I (Eq. 9) where h’ is distance between the pivot point and the mass center of the pendulum and I is the moment of inertia of the pendulum about the pivot point. Equation 10 and 11 are used to calculate h’ and I for the pendulum h’=d2+h+dh (Eq. 10) I=12mbl2+w2+mbh+d22-38mhd2 (Eq. 10) where mb is the mass of the pendulum without the hole and mh is
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Determination of the Acceleration Due to Gravity By A Good Student Abstract The acceleration due to gravity‚ g‚ was determined by dropping a metal bearing and measuring the free-fall time with a pendulum of known period. The measured value is 9.706 m/s2 with a standard deviation of 0.0317‚ which does not fall within the range of known terrestrial values. Centrifugal forces and altitude variations cannot account for the discrepancy. The calculation is very sensitive to the measured drop
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Safety devices used in cars i) Obtain a photograph of a car that illustrates three safety technologies and label the technologies on the photograph ii) Investigate three different technologies that have been implemented in cars or along roads to avoid or reduce the effect of collisions. In your investigation explain how the technology works in terms of physics laws and theories. 1. Crumple zone The purpose of a crumple zone is to increase the amount of time it takes for a car to
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