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The base structure of the firetruck ladder rotates about a vertical axis through 10.4 deg/s. At the same time, the ladder unit OB elevates at a constant m/s. At the instant extends from within section OA at the constant rate of 0.62 and AB = 4.4 m. Determine the magnitudes of the velocity v and acceleration O with a constant rate p = 5.3 angular AB velocity of the ladder deg/s, and section under consideration, φ a of the end B of the ladder. = = 40°, OA = 7.5 m,

The base structure of the firetruck ladder rotates about a vertical axis through 10.4 deg/s. At the same time, the ladder unit OB elevates at a constant m/s. At the instant extends from within section OA at the constant rate of 0.62 and AB = 4.4 m. Determine the magnitudes of the velocity v and acceleration O with a constant rate p = 5.3 angular AB velocity of the ladder deg/s, and section under consideration, φ a of the end B of the ladder. = = 40°, OA = 7.5 m,

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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The base structure of the firetruck ladder rotates about a vertical axis through O with a constant angular velocity = 10.4 deg/s. At the same time, the ladder unit OB elevates at a constant rate = 5.3 deg/s, and section AB of the ladder extends from within section OA at the constant rate of 0.62 m/s. At the instant under consideration, p= 40°, OA = 7.5 m, and AB = 4.4 m. Determine the magnitudes of the velocity v and acceleration a of the end B of the ladder. 22 B
Transcribed Image Text:The base structure of the firetruck ladder rotates about a vertical axis through O with a constant angular velocity = 10.4 deg/s. At the same time, the ladder unit OB elevates at a constant rate = 5.3 deg/s, and section AB of the ladder extends from within section OA at the constant rate of 0.62 m/s. At the instant under consideration, p= 40°, OA = 7.5 m, and AB = 4.4 m. Determine the magnitudes of the velocity v and acceleration a of the end B of the ladder. 22 B
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