The line graph shows the position of a particle along the x-axis over time. When does the particle have a displacement of +1 meter from its initial position (at t = 0)?

A1-lb collar is attached to a spring and slides without friction along a circular rod in a vertical plane. the spring has an undeformed length of 5 in. and a constant k =25 lb/ft. knowing that the collar is released from being held at a determine, the speed of the collar and the normal force between the collar and the rod as the collar passes through b.