Need help with these 3 Q's

Is it possible for a physical system to experience a zero net displacement without being at rest? No answer text provided. O No answer text provided. Yes, that's the case if the system comes back to its initial position. No, the system needs to remain at rest. D Question 2 1 pts Which of the following descriptions corresponds to a ball tossed vertically upward? Air resistance can be neglected. The position first increases linearly and then decreases linearly as a function of time. The velocity increases linearly from zero to v_7. The acceleration decreases linearly from g to zero. The velocity decreases linearly from v_0 to v_f, with v_0>0 and v_f