wong (eyw89) – Quiz 2 Practice – sudarshan – (57415) 1 This print-out should have 59 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. face of the table? Assume the boxes each have masses of 2.0 kg‚ the coefficient of static friction is µs between table and box‚ and the acceleration due to gravity is 10 m/s2 . 001 10.0 points A block accelerates 3 m/s2 down a plane inclined at angle 27.0◦. The acceleration of gravity
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UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS General Certificate of Education Advanced Subsidiary Level and Advanced Level *5961585709* PHYSICS Paper 2 AS Structured Questions Candidates answer on the Question Paper. No Additional Materials are required. READ THESE INSTRUCTIONS FIRST Write your Centre number‚ candidate number and name on all the work you hand in. Write in dark blue or black pen. You may use a soft pencil for any diagrams‚ graphs or rough working. Do not use staples‚ paper
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The electrical resistivity of a metal arises from the interactions of the conduction electrons with impurities‚ defects and the vibrating ions of the lattice. As the temperature is lowered‚ the amplitudes of the lattice vibrations diminish‚ so one would expect the resistivity also to decrease gradually toward a small‚ but finite‚ value determined by the impurities and defects. This behavior is manifested by many materials. In 1911 H. Kamerlingh Onnes discovered that as the temperature of mercury
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Test1 Question no 9) A package is dropped from a helicopter moving upward at 15m/s If it takes16 sec before the package strikes the ground‚ how high above the ground was the package when it was released if air resistance is negligible? Ans) 1000m Question no. 11) If A -B = 0‚ then the vectors A and B have equal magnitudes and are directed in the opposite directions from each other. Ans) False Question no. 16) A monkey is sitting at the top of a tree 20 m above ground level. A person standing on
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PRELIMINARY PHYSICS Syllabus Notes 2007 Andrew Harvey 1st Edition PRELIMINARY PHYSICS Syllabus Notes 2007 Andrew Harvey 1 st Edition Copyright © Andrew Harvey 2007 Preliminary Physics Past Paper Solutions by Andrew Harvey is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 2.5 Australia License. Based on a work at andrew.harvey4.googlepages.com. First Edition published November 2007. 2006 Edition first released June 2006‚ updated July 2007.
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or "entropy law" is a law of disorder (or that dynamically ordered states are "infinitely improbable") is due to Boltzmann’s view of the second law. In particular‚ it was his attempt to reduce it to a stochastic collision function‚ or law of probability following from the random collisions of mechanical particles. He also derived the "H-theorem " and Boltzmann equation in his paper of 1872. The H-theorem
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rolls at constant speed along a straight level track. The milk begins to leak out the bottom. The car’s forward momentum then . (A) increases. (B) decreases. (C) remains the same. (D) Not enough information. 4) A bowling ball strikes an upright bowling pin. The bowling ball has three times the mass of the pin. Which experiences the greater change in speed as a result of the collision? (A) Ball. (B) Pin. (C) Same change in speed. (D) Not enough information. 5) A satellite is in a circular
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The Giant Impact Theory is the most recent precise theory for the formation of the moon so far. The Giant Impact Theory says that the moon was created when debris flew into earths orbiting disk from collisions of a small planet with the earth‚ in result the moon formed.(NASA Lunar Scientists Develop New Theory on Earth and Moon Formation). Plus when these objects collided heated materials came out into space from their outermost layers. This theory is proven because when the two bodies collided this
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cloud collapsed under gravity. As it collapsed‚ it started spinning more quickly and began to flatten to conserve angular momentum. Schmidt-Lyttleton accretion theory (1944):Sun passed through a huge cloud of gas and acquired matter to form planets. Proto-planet Theory:started with a cloud of dust and gas in a state of hypersonic turbulence. Thus‚ rapid internal collisions took place. This resulted in aggregation of masses at various places Capture Theory:interaction between a condensed solar
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��(��‚ ��‚ ��) = 3�� 2 + 4�� 3 + �� 2 is a scalar field find the �������� ���� �� at point (1‚-2‚ 3)? (5) 2(a) Define elastic and inelastic collisions. Derive expressions for the final velocities of two particles having elastic collisio n on a straight line and discuss any of two particular cases (1 +4+2) 2(b) An object of mass 2 kg makes an elastic collision with another object at rest a nd continues to move in the original direction but with one-fourth of its original speed. What is the mass of
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