The 9-lb sphere and 6-lb block (shown in section) are secured to the arm of negligible mass which rotates in the vertical plane about a horizontal axis at O. The 3-lb plug is released from rest at A and falls into the recess in the block when the arm has reached the horizontal position. An instant before engagement, the arm has an angular velocity wo = 1.7 rad/s. Determine the angular velocity w (positive if counterclockwise, negative if clockwise) of the arm immediately after the plug has wedged itself in the block. 9 lb 13" nswer: w= i 22" 27 3 lb 26" 6 lb A rad/s

The 9-lb sphere and 6-lb block (shown in section) are secured to the arm of negligible mass which rotates in the vertical plane about a horizontal axis at O. The 3-lb plug is released from rest at A and falls into the recess in the block when the arm has reached the horizontal position. An instant before engagement, the arm has an angular velocity wo = 1.7 rad/s. Determine the angular velocity w (positive if counterclockwise, negative if clockwise) of the arm immediately after the plug has wedged itself in the block. 9 lb 13" nswer: w= i 22" 27 3 lb 26" 6 lb A rad/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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Radiation

Radiation can be described as the energy in the form of a particular matter or electromagnetic waves traveling in the air and can be in the form of light, sound, and heat. Radiation can be detected through special instruments like X-rays. The radiation from a cooler object is less intense as compared to the radiation from hot objects.

Question

The 9-lb sphere and 6-lb block (shown in section) are secured to the arm of negligible mass which rotates in the vertical plane about a
horizontal axis at O. The 3-lb plug is released from rest at A and falls into the recess in the block when the arm has reached the
horizontal position. An instant before engagement, the arm has an angular velocity wo = 1.7 rad/s. Determine the angular velocity w
(positive if counterclockwise, negative if clockwise) of the arm immediately after the plug has wedged itself in the block.
9 lb
Answer: w=
13"
i
wo
22"
3 lb
26"
6 lb
rad/s

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