The collar has a mass of 20 kg and is supported on the smooth rod. The attached springs ar...

The collar has a mass of 20 kg and is supported on the smooth rod. The attached springs are undeformed when d = 0.5 m. Determine the speed of the collar after the applied force F = 100 N causes it to be displaced so that d = 0.3 m. When d = 0.5 m the collar is at rest.