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Engineering
Mechanical Engineering
No 7

No 7

Elements Of Electromagnetics
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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No 7
6) A 2.8 m long arm OB rotates in a plane such that 0 = 0.13t2. Collar A slides on OB such that its distance from point O is given by r = 2.8 -0.5t² where r is in metres. Determine the magnitudes of velocity and the acceleration of the collar at the instant the arm has turned 28°. 7) A particle moves along a plane circular path of radius r equal to 1 ft. The position OA is given as a function of time as 0 = 6 sin(5t) rad, where t is in seconds. What are the rectangular compo- nents of velocity and acceleration for the particle at t = sec? O LEAS 8 0 8 B a circular track of radius 40 ft. The position S along th are the angu
Transcribed Image Text:6) A 2.8 m long arm OB rotates in a plane such that 0 = 0.13t2. Collar A slides on OB such that its distance from point O is given by r = 2.8 -0.5t² where r is in metres. Determine the magnitudes of velocity and the acceleration of the collar at the instant the arm has turned 28°. 7) A particle moves along a plane circular path of radius r equal to 1 ft. The position OA is given as a function of time as 0 = 6 sin(5t) rad, where t is in seconds. What are the rectangular compo- nents of velocity and acceleration for the particle at t = sec? O LEAS 8 0 8 B a circular track of radius 40 ft. The position S along th are the angu
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