18-22. If the 50-lb bucket, C, is released from rest, determineits velocity after it has fallen a distance of 10 ft. The windlass Acan be considered as a 30-lb cylinder, while the spokes areslender rods, each having a weight of 2 lb. Neglect thepulley's weight.-з8—3 ft4 ft0.5 ft-K0.5 ft

The weight of the bucket is c=50 lb. The mass of windlass is 30 lb. The weight of each spoke is w=2…

Answered: 18-22. If the 50-lb bucket, C, is…

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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15-102. The two spheres each have a mass of 3 kg and are attached to the rod of negligible mass. Determine the time the torque M = (8t) N·m where, is in seconds, must be applied to the rod so that each sphere attains a speed of 3 m/s starting from rest
17-74 The two blocks A and B have a mass Ma and Mb, respectively, where Ma > Mb. If the pulley can be treated as a disk of mass M, determine the acceleration of block A. Neglect the mass of the cord and any slipping on the pulley.
17-59 The uniform slender rod has a mass m. If it is released from rest when = 0, determine the magnitude of the reactive force exerted on it by pin B when = 90.
18-19 The 30 kg disk is originally at rest, and spring is unstretched. A couple moment M= 80 Nm is then applied to the disk as shown. Determine how far the center of mass of the disk travels along the plane before it momentarily stops. The disk rolls without slipping.
5. The 25-kg block AA is released from rest.
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19-26 The double pulley consists of two wheels which are attached to one another and turn at the same rate. The pulley has a mass of 15 kg and a radius of gyration of = 110 mm. if the block at A has a mass of 40 kg and the container at B has a mass of 85 kg, including its contents, determine the speed of the container when t = 3s after it is released from rest.
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The 10-lb block A travels to the right at va= 2 ft/sec at the instant shown. If the coefficient pf kinetuc friction is uk = 0.2 between the surface and A, determine the velocity of A when it has moved 4ft Block B has a weight of 20 lb. (Unit in m/sec)

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18-22. If the 50-lb bucket, C, is released from rest, determine its velocity after it has fallen a distance of 10 ft. The windlass A can be considered as a 30-lb cylinder, while the spokes are slender rods, each having a weight of 2 lb. Neglect the pulley's weight. -з8— 3 ft 4 ft 0.5 ft- K0.5 ft