The boom OAB pivots about point O, while section AB simultaneously extends from within section OA. Determine the velocity andacceleration of the center B of the pulley for the following conditions: 0 = 16°, 0 = 2 deg/sec, Ô = 7 deg/sec?,1 = 11 ft, 1 = 2.1 ft/sec, i =-3.9 ft/sec?. The quantities i and i are the first and second time derivatives, respectively, of the length I of section AB. Express youranswers as vectors in the e, and ee directions.B28'AAnswers:VB = ( i%3De, +eə) ft/secав(ie, +eg) ft/sec2

Given data: θ = 16 degθ˙ = 2 deg/sec = 0.0349 rad/sθ¨ = 7 deg/sec^2 = 0.122 rad/s2 l = 11 ft,l˙ =…

The boom OAB pivots about point O, while section AB simultaneously extends from within section OA. Determine the velocity and acceleration of the center B of the pulley for the following conditions: 0 = 16°, 0 = 2 deg/sec, Ö = 7 deg/sec?, 1 = 11 ft, 1 = 2.1 ft/sec, i = -3.9 ft/sec?. The quantities i and i are the first and second time derivatives, respectively, of the length l of section AB. Express your answers as vectors in the e, and e directions. 28' A Answers: VB = ( i е, + i eg) ft/sec ag = (i е, + i eg) ft/sec2

The boom OAB pivots about point O, while section AB simultaneously extends from within section OA. Determine the velocity and acceleration of the center B of the pulley for the following conditions: 0 = 16°, 0 = 2 deg/sec, Ö = 7 deg/sec?, 1 = 11 ft, 1 = 2.1 ft/sec, i = -3.9 ft/sec?. The quantities i and i are the first and second time derivatives, respectively, of the length l of section AB. Express your answers as vectors in the e, and e directions. 28' A Answers: VB = ( i е, + i eg) ft/sec ag = (i е, + i eg) ft/sec2

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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Question

The boom OAB pivots about point O, while section AB simultaneously extends from within section OA. Determine the velocity and
acceleration of the center B of the pulley for the following conditions: 0 = 16°, 0 = 2 deg/sec, Ô = 7 deg/sec?,1 = 11 ft, 1 = 2.1 ft/sec, i =
-3.9 ft/sec?. The quantities i and i are the first and second time derivatives, respectively, of the length I of section AB. Express your
answers as vectors in the e, and ee directions.
B
28'
A
Answers:
VB = ( i
%3D
e, +
eə) ft/sec
ав
(i
e, +
eg) ft/sec2

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