AS Level Physics: Terms & Definitions:- Measurement Random errors are errors of measurements that result in a scatter of readings about a mean value. Systematic errors are errors of measurement which occur according to some fixed patterns such that they consistently give out an over-estimation or under-estimation of the true value. Accuracy is a measure of how close the results of an experiment agree with the true value. Precision is a measure of how close the results of an experiment
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Physics Moment of a force: Moment of a force = force x perpendicular distance of the line if action if the force from fulcrum Law of moments: When a body is in equilibrium the sum of the clockwise moments about any point equals the sum of the anticlockwise moments about the same point. Centre of mass: Centre of mass is the point where whole mass of the body assumes to be concentrated. II. If the vertical line through the centre of mass is outside the base it will be a topples but if it’s passed
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WWW.MIAMI-BEST-MATH-TUTOR.COM E-MAIL: MIAMIMATHTUTOR@GMAIL.COM CONTACT NUMBER: (786)556-4839 More on Work and the Work-Energy Theorem Practice Problems 1. A 0.600-kg particle has a speed of 2.00 m/s at point A and kinetic energy of 7.50 J at point B. What is its speed at B? the total work done on the particle as it moves from A to B? kinetic energy at A? its WWW.MIAMI-BEST-MATH-TUTOR.COM PHYSICS.I.MORE.ON.WORK.ENERGY.7.2.PRACTICE.PROBLEMS PAGE 1 OF 8 2. A 0.300-kg ball has a speed of 15.0
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Physics ABC Book By- Alexis Vellis 2nd period 10/14/12 Atom The basic building blocks of all matter. Atoms are microscopic‚ meaning you cannot see them without a microscope. Black Hole A Black hole is a place in space where the gravity is so strong that nothing can escape it pull. Cyclotron A type of particle accelerator that was created first in the 1930’s. It was made of two Dshaped cavities in a constant magnetic field. Dark Matter A form of matter that is not like ordinary
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UNSOLVED MYSTERIES Unsolved Mysteries - Beyond the standard model The Standard Model is nowhere near perfect. It may explain the six quarks‚ leptons‚ and four forces‚ but it is not complete. There are still questions about antimatter‚ dark matter‚ and the inability for the Standard Model to predict particle mass. There is no guarantee that quarks and leptons are actually fundamental. Lastly‚ scientists still don’t understand gravity’s role. Unsolved Mysteries - The standard model as a theory
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Structure of Matter | | 1. | An element consists of three isotopes in the relative abundance given below. What is the atomic mass of this element? | | 30.00% = 40.00 amu50.00% = 41.00 amu20.00% = 42.00 amu | | (A) | 40.90 | | (B) | 41.00 | | (C) | 41.90 | | (D) | 42.20 | | (E) | 42.90 | | | 2. | The total number of electrons that can be accommodated in the fourth principal energy level is _____ | | (A) | 2 | | (B) | 8 | | (C) | 18 | | (D) | 32 | | (E)
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Soccer Physics In this paper‚ I will explain the physics concepts of air pressure‚conservation of energy‚ gravity‚Inertia‚ and impulse momentum as they relate to the sport of soccer. I will also explain how knowing these laws can benefit how you play. The first physics concept I will talk about is air pressure. When you kick a soccer ball more energy transfers to a highly pressurized ball‚ as for a non inflated ball‚ the motion of the kick goes into the ball instead of moving the ball
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was made into 3D movie this year------the 100 anniversary of Titanic being sunk. The movie Titanic is close to the real accident happened on April 14th‚ 1912 and there’s a lot of physics involved in the movie. We have to admit that James Cameron really spent plenty of time on the causation of the accident. ① physics side note: Pressure (√) At the beginning of the movie‚ there is a group of people who want to find the invaluable “Heart of the Ocean”. They used submarine to get 3821 meters under
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Although some physical issues appear to be difficult to understand‚ explain James Kakalios achieved from conduction and convection to modern physics. It is much easier to learn when it comes to something you love‚ that’s why the lessons presented in the book seemed understandable. One of the first issues of the second half of the work are phase transitions. Reading the title of the section I figured it would be a very complicated and it would take me a long time to know the subject. I realized‚ the
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“the Large Hadron Collider” This collider is known as “LHC” among the scientists. CERN‚ “European Organization for Nuclear Research”‚ is a scientific institution and began its existence in 1954. Their main purpose is to explore the basic laws of physics by using super colliders‚ thus they began to plan completing LHC from 1990 to discover what unknown particles would be generated when the particle beams collided and finally how more specifically our universe was created. The LHC is located near
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