The collar has a mass of 5 kg and is attached to the light spring, which has a stiffness of 28 N/m and an unstretched length of 0.5 m. The collar is released from rest at A and slides up the smooth rod under the action of the constant 130-N force. Calculate the velocity v of the collar as it passes position B. I 1.5 m 20° www. 130 N A k = 28 N/m 2.0 m www v at B 12.1744 m/sec X Check Answer for this Problem Close