Question: A 4 . 5 kg rod AB is constrained to move by vertical slots at its ends, as shown in the figure. A spring with

A 4.5 kg rod AB is constrained to move by vertical slots at its ends, as shown in the figure. A spring with a stiffness k=600N/m, is attached to end A, and the spring is unstretched when =0. Assuming the rod starts moving from rest at =0, determine the following when =30.
(a) The angular velocity of the rod AB
(b) The velocities of points A and B
A 4 . 5 kg rod AB is constrained to move by

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