(read image) (answer: (a) αBeam = 0.0833 rad/sec2 CCW (b) aC = 0.625 ft/sec2 up, (c) d = 1.5 ft) 5/101 The 9-ft steel beam is being hoisted from itshorizontal position by the two cables attached at A andB. If the initial angular accelerations are a₁ = 0.2rad/sec² and a₁ = 0.6 rad/sec², determine the initialvalues of (a) the angular acceleration of the beam, (b)the acceleration of point C, and (c) the distance d from Ato the point on the centerline of the beam which has zeroacceleration.15"Yαπ3'-A3'Bα215"3'-C

Answered: 5/101 The 9-ft steel beam is being…

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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Bar AB is pinned to the fixed support at A, and the collar B is pinned to the bar at its opposite end. The bar CD can slide freely through the collar at B. At the instant shown, bar AB is horizontal, /= 1.2 m, s = 1.07 m, 0 = 60°, and wAB= 40 rad/s. If ªäß = 21 rad/s² at the instant shown, determine the angular velocity and angular acceleration of the bar CD. WAB αAB с. B The angular velocity of the bar CD is The angular acceleration of the bar CD is k rad/s. k rad/s².
REN 5.2.2/3 The hoop is cast on the rough surface such that it has an angular velocity = 3 rad/s and an angular acceleration a = 8 rad/s². Also, its center has a velocity of v.= -51 m/s and a deceleration a 21 m/s². Determine the acceleration of point B at this instant. DIS 12 ~15 D f Nº 0.39 an=r w² an= 0.s. 32 an = 43 an B 30° 0.5 m w = 3 rad/s x = 8 rad/s² D
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