The base structure of the firetruck ladder rotates about a vertical axis through O with a constant angular velocity 2 = 10.9 deg/s. At the same time, the ladder unit OB elevates at a constant rate p = 6.8 deg/s, and section AB of the ladder extends from within section OA at the constant rate of 0.51 m/s. At the instant under consideration, p = 26°, OA = 9.2 m, and AB = 4.4 m. Determine the magnitudes of the velocity v and acceleration a of the end B of the ladder.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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The base structure of the firetruck ladder rotates about a vertical axis through O with a constant angular velocity Q2 = 10.9 deg/s. At
the same time, the ladder unit OB elevates at a constant rate = 6.8 deg/s, and section AB of the ladder extends from within section
OA at the constant rate of 0.51 m/s. At the instant under consideration, p = 26°, OA = 9.2 m, and AB = 4.4 m. Determine the
magnitudes of the velocity v and acceleration a of the end B of the ladder.
Answers:
V =
a =
i
i
m/s
m/s²
B
Transcribed Image Text:The base structure of the firetruck ladder rotates about a vertical axis through O with a constant angular velocity Q2 = 10.9 deg/s. At the same time, the ladder unit OB elevates at a constant rate = 6.8 deg/s, and section AB of the ladder extends from within section OA at the constant rate of 0.51 m/s. At the instant under consideration, p = 26°, OA = 9.2 m, and AB = 4.4 m. Determine the magnitudes of the velocity v and acceleration a of the end B of the ladder. Answers: V = a = i i m/s m/s² B
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