The system consists of a 20-lb disk A, 4-lb slender rod BC, and a 1-lb smooth collar C. If...

The system consists of a 20-lb disk A, 4-lb slender rod BC, and a 1-lb smooth collar C. If the disk rolls without slipping, determine the velocity of the collar at the instant the rod becomes horizontal, he., θ = 0°. The system is released from rest when θ = 45°.

Prob. 18-41