A 15-lb block B is at rest and a spring of constant k 5 72
Chapter 14, Problem 14.110(choose chapter or problem)
A 15-lb block B is at rest and a spring of constant k = 72 lb/in is held compressed 3 in. by a cord. After 5-lb block A is placed against the end of the spring the cord is cut causing A and B to move. Neglecting friction, determine the velocities of blocks A and B immediately after A leaves B.
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer