PHYSICS IGCSE 2012 EXAM REVISION NOTES By Samuel Lees and Adrian Guillot 1. General physics 1.1 length and time 1.2 Speed‚ velocity and acceleration 1.3 Mass and weight 1.4 Density 1.5 Forces a. Effects of forces b. Turning effect c. Conditions for equilibrium d. Centre of mass e. Scalars and vectors 1.6 Energy work power a. Energy b. Energy resources c. Work d. Power 1.7 Pressure 2. Thermal physics 2.1 a. States of matter b. Molecular model c. Evaporation d. Pressure changes 2.2 Thermal properties
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Law of Acceleration (1907) by Henry Adams (1838-1918) Images are not arguments‚ rarely even lead to proof‚ but the mind craves them‚ and‚ of late more than ever‚ the keenest experimenters find twenty images better than one‚ especially if contradictory; since the human mind has already learned to deal in contradictions. The image needed here is that of a new center‚ or preponderating mass‚ artificially introduced on earth in the midst of a system of attractive forces that previously
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Chemistry Internal Assessment 8 Lee Dong Hun (16) 5.12 Proverbs Table 1 : Mass of Magnesium Strip Mass of Magnesium Strip and Weighing bottle /g (± 0.001g) | 3.585 | Mass of Weighing bottle /g (± 0.001g) | 3.460 | Mass of Magnesium Strip /g (± 0.002g) | 0.125 | Table 2 : Mass of Crucible and lid Mass of Crucible /g (± 0.001g) | 15.147 | Mass of Lid /g (± 0.001g) | 9.670 | Table 3 : Mass of Magnesium Oxide Mass of Magnesium Oxide and Crucible and Lid /g (± 0.001g) | 24.985 |
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Introductory Physics I Elementary Mechanics by Robert G. Brown Duke University Physics Department Durham‚ NC 27708-0305 rgb@phy.duke.edu Copyright Notice Copyright Robert G. Brown 1993‚ 2007‚ 2013 Notice This physics textbook is designed to support my personal teaching activities at Duke University‚ in particular teaching its Physics 141/142‚ 151/152‚ or 161/162 series (Introductory Physics for life science majors‚ engineers‚ or potential physics majors‚ respectively). It is freely
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Analysis One notable aspect of Edgar Allan Poe’s prose is his consistent use of detailed description‚ and he uses this tendency to great effect in his short story "The Pit and the Pendulum." The aim of the story is very simply to create a dark atmosphere of foreboding and anticipatory horror‚ and Poe achieves this by minutely tracking the path of the unnamed narrator’s thoughts and experiences. Although the narrator is‚ like most of Poe’s first-person protagonists‚ somewhat unreliable in nature
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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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EXPERIMENT TO SHOW THE EFFECT OF DIFFERENT CONCENTRATION OF GLUCOSE ON POTATO STRIPS INTRODUCTION: Molecules of liquid and gas are constantly in motion‚ they move randomly in all directions and bounce around in all directions and bounce around and into each other. As they move‚ they tend to spread out moving from areas with many molecules to areas with fewer molecules . This process of spreading out is called Diffusion‚ for example smell of cooking travelling around the house from the kitchen
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gravitation Express it mathematically. Differentiate between G’ and 91 in tabtrlat fotm’ 3) (a) What is acceleration ? Write ib unit. velocity’ bi I)t"* velocity-time graPh‚ when an obiect has (i) unifortdy accelerated (ii) uniformly retarded velocity. fror" that if u Uoayi" thrown ve*ically upwatd‚ the time of ascent is equal to the time ffi of descent. Th;;r*h .ttracts the moon. Does the moon also attract the earth ? If it does‚ why does ttre earth not move towards the moon ? 6) A bullet of mass
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slightest extent of misunderstanding‚ is to start at the very beginning. My question for the history books‚ is where did swing music originate? Upon further research I came to the conclusion that the United States is a relatively young country‚ and I decided to extend my question to take in the influence the world has had on the development of swing music in the United States. Swing can reasonably be referred to as an international project that was born in America. It was not accomplished simply‚ quickly
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Free-Fall Acceleration Introduction Galileo Galilei (1564-1642)‚ the man first accredited with the correct notion of free-fall with uniform acceleration‚ stated that ’if one were to remove entirely the resistance of the medium‚ all materials would descend with equal speed.’ Today‚ this statement holds true for all objects in free-fall near the Earth’s surface. The purpose of this experiment is to verify Galileo’s assertion that acceleration is constant. In addition‚ the magnitude of acceleration will
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