At the instant u = 30, the frame of the crane and the boom AB rotate with a constant
Chapter 20, Problem 20-42(choose chapter or problem)
At the instant \(\theta = 30^{\circ}\), the frame of the crane and the boom AB rotate with a constant angular velocity of \(\omega_{1} = 1.5 \ rad/s\) and \(\omega_{2} = 0.5 \ rad/s\), respectively. Determine the velocity and acceleration of point B at this instant.
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