The device shown rotates about the fixed z-axis with angular velocity w = 25 rad/s and angular acceleration a = 42 rad/s² in the directions indicated. Determine the instantaneous velocity and acceleration of point B.

The device shown rotates about the fixed z-axis with angular velocity w = 25 rad/s and angular acceleration a = 42 rad/s² in the directions indicated. Determine the instantaneous velocity and acceleration of point B.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

The device shown rotates about the fixed z-axis with angular velocity w = 25 rad/s and angular acceleration a = 42 rad/s² in the
directions indicated. Determine the instantaneous velocity and acceleration of point B.
51%-
Answers:
想
VB =
( i 13.112
@
OA = 235 mm, AB = 460 mm
ag= (22.0285
B
-51°
--y
i+
i +
0
327.806
j+
0
j+ 0
k) m/s
k) m/s²

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