AnS-kg uniform rod ABis hinged to a fixed support at A and is attached by means of pins Ba...

AnS-kg uniform rod ABis hinged to a fixed support at A and is attached by means of pins Band C to a 12-kg disk of radius 400 mm. A spring attached at Dholds the rod at rest in the position shown. II point Bis moved down 25 mm and released, determine (a)the period of vibration, (b)the maximum velocity of point B.