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Point A of the circular disk is at the angular position 0 = 0 at time t = 0. The disk has angular velocity wo = 0.19 rad/s at t = 0 and subsequently experiences an angular acceleration a = 2.3t where t is in seconds, and a is in radians per second squared. Determine the velocity and acceleration of point A in terms of fixed i and j unit vectors at time t = 2.5 s. Assume r = 225 mm. α Answers: A -x VA= (i i + j) m/s ад = (i i + j) m/s²

Point A of the circular disk is at the angular position 0 = 0 at time t = 0. The disk has angular velocity wo = 0.19 rad/s at t = 0 and subsequently experiences an angular acceleration a = 2.3t where t is in seconds, and a is in radians per second squared. Determine the velocity and acceleration of point A in terms of fixed i and j unit vectors at time t = 2.5 s. Assume r = 225 mm. α Answers: A -x VA= (i i + j) m/s ад = (i i + j) m/s²

International Edition---engineering Mechanics: Statics, 4th Edition
International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:Andrew Pytel And Jaan Kiusalaas
Chapter1: Introduction To Statics
Section: Chapter Questions
Problem 1.19P: Plot the earths gravitational acceleration g(m/s2) against the height h (km) above the surface of...
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Point A of the circular disk is at the angular position 0 = 0 at time t = 0. The disk has angular velocity wo = 0.19 rad/s at t = 0 and subsequently experiences an angular acceleration a = 2.3t where t is in seconds, and a is in radians per second squared. Determine the velocity and acceleration of point A in terms of fixed i and j unit vectors at time t = 2.5 s. Assume r = 225 mm. α Answers: A -x VA= (i i + j) m/s ад = (i i + j) m/s²
Transcribed Image Text:Point A of the circular disk is at the angular position 0 = 0 at time t = 0. The disk has angular velocity wo = 0.19 rad/s at t = 0 and subsequently experiences an angular acceleration a = 2.3t where t is in seconds, and a is in radians per second squared. Determine the velocity and acceleration of point A in terms of fixed i and j unit vectors at time t = 2.5 s. Assume r = 225 mm. α Answers: A -x VA= (i i + j) m/s ад = (i i + j) m/s²
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