lecture4 - 1 Physics 1D03 - Lecture 4 Kinematics in Two...

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Unformatted text preview: 1 Physics 1D03 - Lecture 4 Kinematics in Two Dimensions Kinematics in Two Dimensions Position, velocity, acceleration vectors Constant acceleration in 2-D Free fall in 2-D Serway and Jewett 4.1 to 4.3 Suggested Problems: Chapter 4, Problems 1, 5, 23, 63 Physics 1D03 - Lecture 4 The Position vector points from the origin to the particle. r r The components of are the coordinates (x,y) of the particle: For a moving particle, , x(t), y(t) are functions of time. j i y x r + = r ) ( t r r r r x y r r (x,y) path x i y j Physics 1D03 - Lecture 4 i f r r r r r r- = Displacement : Instantaneous Velocity : is tangent to the path of the particle dt r d v / r r = Average Velocity : ( a vector parallel to ) r r t avg / r v x y i r r final initial f r r r r v avg x y r r v Physics 1D03 - Lecture 4 Acceleration is the rate of change of velocity : ) ( t v r ) ( t t v + r t time t t + time path of particle ) ( t v r ) ( t t v + r v r t v a r r t v t...
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This note was uploaded on 11/08/2010 for the course PHYSICS PHYSICS 1D taught by Professor Mckay during the Spring '09 term at McMaster University.

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lecture4 - 1 Physics 1D03 - Lecture 4 Kinematics in Two...

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