Can I have some help on this page please

2. Does a negative velocity always mean that the object is going backward (or downward Justify your answer with your graphs. 3. Does a negative acceleration always mean the object is going backward (or downward) Justify your answer with your graphs. 4. Is it possible for the acceleration to be zero and the velocity to be nonzero? Use your graphs to justify your answer. 5. Is it possible for the acceleration to be nonzero and the velocity to be zero? Use your g to justify your