The device shown rotates about the fixed z-axis with angular velocity w = 22 rad/s and angular acceleration a = 30 rad/s² in the directions indicated. Determine the instantaneous velocity and acceleration of point B. 69- Answers: VB = ag = OA 320 mm, AB = 625 mm (i Da ( a B 16.32 +69° i+ ! i + 0 -263.34 j+ 0 j+ 4 0 k) m/s² k) m/s

The device shown rotates about the fixed z-axis with angular velocity w = 22 rad/s and angular acceleration a = 30 rad/s² in the directions indicated. Determine the instantaneous velocity and acceleration of point B. 69- Answers: VB = ag = OA 320 mm, AB = 625 mm (i Da ( a B 16.32 +69° i+ ! i + 0 -263.34 j+ 0 j+ 4 0 k) m/s² k) m/s

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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The device shown rotates about the fixed z-axis with angular velocity w = 22 rad/s and angular acceleration a = 30 rad/s² in the directions indicated. Determine the instantaneous velocity and acceleration of point B. 69% ーー Answers: VB = (i A OA=320 mm, AB = 625 mm ag = ( i B +69° i+ i it i j+ j+ H k) m/s k) m/s²
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position A of the circle disk is at angular position theta=0 and time t=0, disk have angular velocity w0= 1 rad/s when t=0. The angular acceleration of disk is a= 0.2sqrt(w) and a is rad/sec^2. Find vectors of the velocity and acceleration of position A when time = 1 s. Radius of disk r= 1.6 ft.
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The rigid body is rotating about the y-axis. In the position shown in Fig. (a), the angular velocity and angular acceleration of the body are as specified in the figure. Determine the velocity and acceleration vectors of point A in this position using (1) vector equations; and (2) scalar equations.
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