Chapter09 - Chapter 9: Rotation of Rigid Bodies 1. Angular...

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Unformatted text preview: Chapter 9: Rotation of Rigid Bodies 1. Angular Velocity and Acceleration Radian 360 1rad 57.3 2 = = s r = s r = Angular Velocity : (omega) not w Direction of angular velocity : Right-hand rule , av z t = lim z t d t dt = = Angular Acceleration : , z av z t = 2 2 lim z z z t d t dt d d d dt dt dt = = = = 2. Rotation with Constant Angular Acceleration Recall Chap. 2 (motion with constant acceleration) ( ) z z z t t = + 2 1 ( ) 2 z z t t t = + + 2 2 2 ( ) z z z = +- 2 z z t + - = ( ) x x x v t v a t = + 2 1 ( ) 2 x x x t x v t a t = + + 2 2 2 ( ) x x x v v a x x = +- 2 x x v v x x t + - = Rotation with Constant Angular Acceleration Motion with Constant Acceleration Example 9.3) DVD player. The angular velocity at t= 0 is 27.5 rad/ s and its angular acceleration is constant -10.0 rad/ss and its angular acceleration is constant -10....
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Chapter09 - Chapter 9: Rotation of Rigid Bodies 1. Angular...

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