loverofkitties5087 loverofkitties5087 21-02-2020 Engineering contestada 14.43 The spring attatched to the 0.2-kg collar has a stiffness of 220 N/m and a free length of 150 mm. If the collar isreleased from rest when x - 150 mm, determine its acceleration as a funtion of x. Neglect friction.
