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Displacement

Holt Physics Ch 1-2

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Holt Physics?Chapter 1 The Science of Physics Important Chapter 1 Topics: Physics (?the study of the physical world?-p.4) is an attempt to explain and understand the world around us--from tiny subatomic particles to massive swirling galaxies! The scientific method-p.6 Dimensional analysis, or the conversion algorithm-p.22 Significant figures-p.16 Scientific notation Chapter 2 Motion in One Dimension Section 2.1 Displacement and Velocity One dimensional motion=linear motion (back and forth) Frame of reference and relativity make physics easier Displacement is the difference between where something starts and where it ends up. It is expressed as ?x = xf ? xi where xf is the final position and xi is the initial position. (insert gecko picture from p.41)

Velocity Review

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Name ______________________________ Date _________ Mr. Carcich Physics Velocity Test Review You need to know: The definition of kinematics. The difference between: Vectors and Scalars; and examples of each. Distance and Displacement; which is scalar? Which is vector? Speed and Velocity; which depends on direction also? **Can your speed remain constant but your velocity be changing? Explain. Two ways to have a constant velocity? Three ways to change your velocity? What is your acceleration when your velocity is constant? Graphing Derive data from, compare, and interpret the following graphs: Distance vs. Time Graph Slope = ___________ Horizontal line = ___________________ Linear Direct = ______________________________

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
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