9.2 T1P: Pendulum Practical Report Aim: To determine the value of gravitation acceleration using the motion of a pendulum. Identify the causes in variation of this value. Equipment: * Slotted Weight * Retort Stand * Sticky Tape * Clamp * String * 1 metre ruler * Timer Method: * 1. Gather required equipment. * 2. Place retort stand onto table and tightly secure the clamp * 3. Tie the slotted weight onto one end of the string‚ and wrap the other end
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Introduction: The study of the ballistic pendulum began with Benjamin Robins in the early 1700 ’s. Robins was an English mathematician and writer on ballistics‚ and used this testing apparatus for the evaluation of the strength of gunpowder and the measurement of air resistance (Calvert‚ 2006). At the time of the American Revolution a loyalist named Benjamin Thompson also utilized and expanded the use to the ballistic pendulum. He further evaluated the efficiency of gunpowder. He fired from
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Michel Foucault- Right of Death and Power over Life The concept is important. Don’t get to the details. * In ancient Roman times‚ power of the sovereign over his subjects could be exercised in an absolute and unconditional way. The king had the authority to directly expose the life of his subjects in times of war and thus he held an indirect power over them of life and death. * During the classical age in the West‚ this death that was based on the right of the sovereign was not manifested
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In his concept of the panopticon‚ Foucault adopted Jeremy Bentham’s prison design as a metaphor for modern disciplinary power. According to Foucault‚ discipline is invoked through an individual’s consciousness of permanent visibility and surveillance‚ resulting in compliant and self-policing behaviours as if constantly being watched (Nettleton‚ 1997). Engrained in this concept is Foucault’s notion of discourse‚ where he asserts that power is fabricated through language and practices‚ acting as leverage
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Summer 2012 Project for AP Physics at Rialto HS (PRINT ALL 6 PAGES OF THIS DOCUMENT) (this dastardly diversion from dog day doldrums devised by Mr. Timothy Bacon‚ refer your questions to tbacon@rialto.k12.ca.us[->0]) Introduction: Summer vacation has long been associated with sleeping in‚ lazy days by the pool‚ hanging out with friends‚ learning the vocabulary of harmonic motion‚ constructing cheesy experiments‚ and graphing data. Summer 2012 will be no exception. First‚ I want you to
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M. Foucault‚ "What is an Author?" Michel Foucault (1926 1984) dealt with many aspects of social philosophy during his career‚ but it is his philosophy surrounding the role and dominance of the author in modern literature that this essay aims to deal with. From the 19th century onwards‚ Foucault notices that through social and political frameworks‚ the presence of an author vastly dominates the content and categorisation of any publication of that author. He also throws into question the idea
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Q1. Outline the historical development of the models of the universe from the time of Aristotle to the time of Newton. Aristotle: Geocentric model of the universe involved a series of 56 concentric spheres to which celestial objects were attached. The Earth was not in motion as the stars showed no measureable parallax. Each planet‚ the Sun‚ and the Moon were in their own sphere and the stars were positioned on a larger sphere surrounding all the others. Ptolemy: Geocentric model of the universe
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is to study the period of the pendulum with different masses. Secondly to also study the relationship in the different lengths of the string and how it affects the period. Thirdly to find the different (time) periods in the changes in the arc size. Theory If the pendulum is set ‚ the force of the motion is used to swing back and forth . where the t period is the time the pendulum takes to complete a cycle of oscillation. As t-1/f the complete distance of the pendulum and its mass is finished ‚ the
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CENTRIPETAL FORCE ON A PENDULUM OBJECTIVE To measure centripetal force exerted on a pendulum using the force sensor bob and in so doing compare this value determined by force calculations based on the height of the pendulum. THEORY Newton’s laws of motion are the basis for this experiment. Newton’s first law of motion states that a body in motion will remain in motion unless acted upon by an external force. Newton’s second law of motion states that the rate of momentum of a body is dependent on
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Introduction In this lab we had to design a system that would test if changing the mass‚ angle of release and length would have any effect on the period of a pendulum. Hypothesis As the length‚ mass and angle of release change‚ the period (T) will change for each one of these factors. Materials Lab stand Protractor Cardboard Fishing line Stopwatch Weights Hook for weights Tape Ruler Weighing scale Logger Pro Variables Independent Angle of release Dependent Period Length
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