Physics
Change of Phase
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Physics SAT Formulas
VECTORS Dot Product Cross Product Magnitude Direction X-, Y-Components Vector Addition KINEMATICS Velocity of Two-Dimensional Projectiles DYNAMICS Newton?s Second Law Formula for Force of Kinetic Friction Formula for Force of Maximum Static Friction WORK ENERGY AND POWER Work Work Done by Gravity Kinetic Energy Work-Energy Theorem Potential Energy Gravitational Potential Energy Mechanical Energy Average Power Instantaneous Power SPECIAL MECHANICS Hooke?s Law Period of Oscillation of a Spring Frequency Potential Energy of a Spring Velocity of a Spring at the Equilibrium Position Period of Oscillation of a Pendulum Velocity of a Pendulum Bob at the Equilibrium Position LINEAR MOMENTUM Linear Momentum
Part 2 of 5 Intro to Thermal Physics - Schroeder - Solutions Manual Notes
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Part 3 of 5 Intro to Thermal Physics - Schroeder - Solutions Manual Notes
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Part 1 of 5 Intro to Thermal Physics - Schroeder - Solutions Manual Notes
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AP Physics C 1974 Free Response
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Physics
A rope having a total mass of 0.4kg and total length 4m has 0.6m of the rope hanging vertically down off a work bench. How much work must be done to place all the rope on the bench? This one is very easy: First you assume that the rope is uniform, so the center of mass for the hanging pies is located at the half distance, namely 0.3m below the bench. And the mass of the entire hanging piece is 0.4/4*0.6 = 0.06kg. Now the work done by pulling the rope is exactly the same as pulling an object with mass of 0.06kg up 0.3m, hence the work is W=mgh = 0.06*9.8*0.3 = 0.176J Answer: 0.176 J A particle is trapped in an infinite one-dimensional well of width 0.132nm. The electron is in the n=10 state. A) What is energy of the electron? B) What is the uncertainty in its momentum?
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Reflection and Refraction
Reflection and Refraction When light hits a medium interface: Reflection Refraction Absorption Reflection Any light being reflected will reflect at the same angle from the normal Specular Reflection Reflection produced in a smooth, flat, shiny surface Parallel incident rays produce parallel reflected rays Example Mirror Glass Shiny Metal Polished Wood Granite Still Water Can produce Coherent Image Diffuse Reflection Reflection in rough Flat Surface No Coherent Image Formed Example Painted Walls Asphalt Fabric Wood Refraction Light Travels at different speeds in different media It will curve upon passing from one medium to another
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