Point A of the circular disk is at the angular position 0 = 0 at time t = 0. The disk has angular velocity wo = 0.29 rad/s at t = 0 and subsequently experiences an angular acceleration a = 1.8t 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 = 2.7 s.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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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 = 0.29 rad/s at t = 0 and
subsequently experiences an angular acceleration a = 1.8t 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 = 2.7 s.
Assumer = 145 mm.
α
90
i +
i
1
j) m/s
i +
0.705
j) m/s²
Answers:
VA=
ад =
( i
0
(i 6.806
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 = 0.29 rad/s at t = 0 and subsequently experiences an angular acceleration a = 1.8t 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 = 2.7 s. Assumer = 145 mm. α 90 i + i 1 j) m/s i + 0.705 j) m/s² Answers: VA= ад = ( i 0 (i 6.806
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