Answer
Multiple Choice: C
2-3 s
Work Step by Step
In the first graph, the particle is at rest from 2-3 seconds. This is shown by no change in the x direction as time increases.
In the second graph, the particle is at rest from 1-3 seconds. This is shown by no change in the y direction as time increases.
For a particle to be considered a rest, there must be no movement in the x or y direction. The only place where this happens is between 2-3s