The pendulum consists of a 6-kg slender rod fixed to a
Chapter 18, Problem 18-60(choose chapter or problem)
The pendulum consists of a 6-kg slender rod fixed to a 15-kg disk. If the spring has an unstretched length of 0.2 m, determine the angular velocity of the pendulum when it is released from rest and rotates clockwise 90 from the position shown. The roller at C allows the spring to always remain vertical.
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