ENGINEERING MECH DYNAMICS W/MASTREV
ENGINEERING MECH DYNAMICS W/MASTREV
14th Edition
ISBN: 9780135881187
Author: HIBBELER
Publisher: PEARSON
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Chapter 20.4, Problem 40P

At the instant θ = 60°, the construction lift is rotating about the z axis with an angular velocity of ω1 = 0.5 rad/s and an angular acceleration of ω ˙ 1 = 0.25 rad/s2 while the telescopic Doom AB rotates about the pin at A with an angular velocity of ω2 = 0.25 rad/s and angular acceleration of ω ˙ 2 = 0.1 rad/s2. Simultaneously, the boom is extending with a velocity of 1.5 ft/s, and it has an acceleration of 0.5 ft/s2, both measured relative to the frame. Determine the velocity and acceleration of point B located at the end of the boom at this instant.

Chapter 20.4, Problem 40P, At the instant  = 60, the construction lift is rotating about the z axis with an angular velocity of

Probs. 20-39/40

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