Engineering Mechanics - DynamicsChapter 20Problem 20-2The ladder of the fire truck rotates around the zaxis with angular velocity ω1which is increasing atrate α1. At the same instant it is rotating upwards at rate 2while increasing at rate 2. Determinethe velocity and acceleration of point Alocated at the top of the ladder at this instant.Given:10.15rads=10.2rads2=20.6rads=20.4rads2=θ30 deg=L40 ft=Solution:ω201⎛⎜⎜⎝⎞⎟⎟
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