R18-6. At the instant shown, the 50-lb bar rotatesclockwise at 2 rad/s. The spring attached to its end alwaysremains vertical due to the roller guide at C. If the spring hasan unstretched length of 2 ft and a stiffness of k = 6 lb/ft,determine the angular velocity of the bar the instant it hasrotated 30° clockwise.4 ft2 rad/s6 ft

The diagram of the member AB is given as, The initial stretch position of the spring, The final…

Answered: R18-6. At the instant shown, the 50-lb…

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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16-27. The gear A on the drive shaft of the outboard motor has a radius ra = 0.7 in. and the meshed pinion gear B on the propeller shaft has a radius rg = 1.4 in. Determine the angular velocity of the propeller in t = 1.3 s if the drive shaft rotates with an angular acceleration a = (300Vi) rad/s², where t is in seconds. The propeller is originally at rest and the motor frame does not move. %3D 2.2 in.
stion 5 The 20-kg wheel has a radius of gyration ko = 400 mm where O is the center of the wheel. If the wheel is subjected to a moment, M = (2t) N.m, where t is in seconds, determine its angular velocity when t- 4s starting from rest. Assume the wheel is subjected to rotation only (no translation). OA 16.0 rad/s B. 10.0 rads oc 8.0 rad/s 0 5.0 rad/s
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*18–4. The wheel is made from a 5-kg thin ring and two 2-kg slender rods. If the torsional spring attached to the wheel's center has a stiffness k = 2 N•m/rad, and the wheel is rotated until the torque M = 25 N • m is developed, determine the maximum angular velocity of the wheel if it is released from rest. 0.5 m M
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