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Physics

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AP Physics B - Newton's Laws

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AP Newton's Laws Review Sheet Newton's First Law (AKA Newton's Law of Inertia) ?Consider an object with no force acting on it. If it is at rest, it will remain at rest; if it is moving, it will continue to move in a straight line at a constant speed? 5 Everyday Forces Weight Fg = mg (direction is always down) Normal Force Fn (direction is always perpendicular to the surface Friction Ff = ?Fn (direction always opposes direction of motion) Applied Force FA (pushing or pulling) Tension FT (direction is always along the string or rope; tensions are equal on either side of a massless, frictionless pulley)

AP Physics B - Kinematics & Projectile Motion

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AP Kinematics Review Sheet Basic Terms: Position ? Location (sometimes in x and y coordinates) Displacement ? Distance and direction from initial position Speed ? Rate of change of displacement; magnitude only Velocity ? Rate of change of displacement; direction and magnitude; v = ?x/?t Acceleration ? Rate of change of velocity; direction and magnitude; a = ?v/?t For graphs of position versus time, velocity versus time, and acceleration versus time: Velocity is the slope of a position versus time graph Average velocity ? only use the first and last points Instantaneous velocity ? use the slope of the tangent line to the curve *The area under a velocity vs time graph equals distance acceleration is the slope of a velocity versus time graph

Physics Practice Problems

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CHAPTER 6 REVIEW NAME_________________________________________ 1) Can work be done on a system if there is no motion? A) Yes, if an outside force is provided. B) Yes, since motion is only relative. C) No, since a system which is not moving has no energy. D) No, because of the way work is defined. Answer: D Diff: 1 Type: BI Var: 1 Page Ref: Sec. 6.1 3) If you push twice as hard against a stationary brick wall, the amount of work you do A) doubles. B) is cut in half. C) remains constant but non-zero. D) remains constant at zero. Answer: D Diff: 1 Type: BI Var: 1 Page Ref: Sec. 6.1

Physics AQA GCSE A/A* Revision Notes

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Physics-p3 1.1 X-Rays Part of the electromagnetic spectrum; they have a high frequency and short wavelength. X-rays are used to form images of bone on photographic film to check for fractures and dental fractures. This is done because they are transmitted by healthy tissue and absorbed by bone. X-rays affect photographic film in the same way as light. Charge-coupled devices (CCDs) are used to form electronic images of the body. X-rays are used to make images and CT scans (cross sections through the body). They are also used to destroy tumors at or near the body surface. Precautions must be taken when using X-rays as they cause ionization and can damage living tissue. Workers should wear film badges (to monitor exposure) and use lead screens to shield them when possible.

sun/earth/moon notes

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Moon-Earth System When looking at the moon, if the bright side fits in your right hand it is waxing, if it fits in your left hand it is waning. I. Moon Movements A. Rotation Moon turns on axis a. Creates Moon?s day and night Takes 27 1/3 Earth days B. Revolution Moon?s orbital path around Earth a. Creates Moon?s year Takes 27 1/3 Earth days Because rotation/revolution cycles are identical, some side of Moon always faces Earth a. Sun does strike all parts of moon C. Moon Phases Gradual change in appearance of Moon a. Arrangement of Sun, Earth, Moon results in phases Phase month is 29 ? days ? a. Extra time caused by Earth?s orbit around Sun b. 2 plus days needed to get Sun, Earth, Moon lined up c. 13 lunar cycles in our year

Astronomy

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Science Notes Ancient Models of the World Egypt Thought world was flat Thought sky was a flat plate supported by mountains Thought the sun traveled along the Nile India Thought world was circular disk surrounded by and ocean Thought the center of the world was a mountain Thought the sun went around the mountain once a day In the nighttime it went behind the mountain and came out in the morning Greece Thought Earth floated in the ocean like a cork One man thought Earth was a cylinder with a rounded top that floated in the air Thought that beyond the sky was a region of fire The sun, stars, and moon were holes in the sky, through which the fire could be seen NOTE: All of these incorporate local features General Astronomy

Honors Physics Study Guide

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Vectors How to find the final magnitude when you?ve got the horizontal and vertical components How to find the final direction (angle) when you?ve got the horizontal and vertical components How to find the horizontal and vertical components of something Scalar product of two vectors Vector product of two vectors Kinematics Definition of displacement Definition of average speed Definition of average velocity Definition of instantaneous velocity Definition of average acceleration Definition of instantaneous acceleration Kinematics equations Kinematics equations for free-fall motion Kinematics equations for projectile motion Dynamics

Realeased Exam

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1988 Ap Physics C Multiple Choice (PDF Documents) provides by www.webxdoc.com And hosted at /list15/1988_Ap_Physics_C_Multiple_Choice.pdf 1988 Ap Physics C Multiple Choice Table of Contents 1. Physics C AP Physics C: Mechanics Name: Circular and Rotational ... 2. QMED STUDY RECOMMENDATION page 1 / 3 1988 Ap Physics C Multiple Choice (PDF Documents) provides by www.webxdoc.com And hosted at /list15/1988_Ap_Physics_C_Multiple_Choice.pdf Full version of this PDF contains 10 attachment URLs, you also can download documents related with 1988 Ap Physics C Multiple Choice Physics C AP Physics C: Mechanics Name:_____ Circular and Rotational Motion Review (Completed review ... 1988) 28. The radius of the Earth is approximately Continue Reading 1

2011 ap physics

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AP? Physics C: Mechanics 2011 Free-Response Questions About the College Board The College Board is a mission-driven not-for-profit organization that connects students to college success and opportunity. Founded in 1900, the College Board was created to expand access to higher education. Today, the membership association is made up of more than 5,900 of the world?s leading educational institutions and is dedicated to promoting excellence and equity in education. Each year, the College Board helps more than seven million students prepare for a successful transition to college through programs and services in college readiness and college success ? including the SAT? and the Advanced

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