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Unformatted text preview: 1 Today: 1) Kinematics in two dimensions Motion, Forces, Energy, Heat, Waves Dr. David M. Lind Dr. Kun Yang Dr. David Van Winkle Today: Kinematics in two dimensions kinematical equations vectors projectile motion preview: Newtons Laws PHY 2053C College Physics A Fall 2004 L4Ch3,4 Free Fall Galileo Galilei, 15641642 Free Fall is onedimensional motion with a constant, negative acceleration. This means the acceleration is always pointing downward ! Galileo observed that all objects fall with the same, constant acceleration g = 9.80 m/s 2 (downward) (as long as airresistance is small) 2 Introduction Projectile Motion 2 special cases of 1dmotion: motion with constant velocity (e.g. horizontal motion on a frictonless rail) motion with constant acceleration (e.g. free fall) Projectile Motion is combination of horizontal constant velocity and vertical free fall 2dMotion Motion in the horizontal and vertical directions are independent . X and Y are independent (linked only by time)....
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This note was uploaded on 10/11/2011 for the course PHY 2053 taught by Professor Lind during the Fall '09 term at FSU.
 Fall '09
 LIND
 Physics, Energy, Force, Heat

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