Lecture-05 - D Kinematics rojectile Motion 2D Kinematics...

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Unformatted text preview: D Kinematics rojectile Motion 2D Kinematics Projectile Motion Lecture #05 Ch. 3.1 & 3.3 Physics 125 Fall 2010 Dr. Mike Melnichuk mmeln@umich.edu Office: 2409 Randall Lab phys125lecture@umich.edu ffice Hours: 2:00 :00 / Mon & Tue Rm 1416 Randall Lab Office Hours: 2:00 4:00 / Mon. & Tue. in Rm. 1416 Randall Lab. 2D (in plane) Motion r, v, a G G G r G Any 2D (in-plane) motion can be described as two separate, t simultaneous 1D motions along the d directions y yet simultaneous, 1D motions along the and directions. x y 2D (in plane) Motion = 2 1D Motions x x x, v , a G G G y y y, v , a G G G x y x y r = x + y, v = v + v , a = a + a G G G G G G G G G 2 2 2 2 2 2 x y x y r = x y v = v v a = a a + + + 2D Kinematics 2D Kinematics has 8 kinematic equations: for x axis and 4 for axis 4 for x-axis and 4 for y-axis. (Semi) Projectile Motion 2 x x- : uniform motion (v = constant, a = 0 m/s ) x axis G G y- : - uniformly accelerated motion (a = g) y axis free fall G G (Semi) Projectile Motion...
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Lecture-05 - D Kinematics rojectile Motion 2D Kinematics...

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