| 1. | \(1~\text{ms}^{-1}\) | 2. | \(2~\text{ms}^{-1}\) m/s |
| 3. | less than \(1~\text{ms}^{-1}\) | 4. | greater than \(2~\text{ms}^{-1}\) |
| 1. | The acceleration is constant and non-zero. |
| 2. | The velocity changes suddenly during the motion. |
| 3. | The velocity is positive throughout. |
| 4. | All of the above are true. |
| 1. | \(\dfrac{9}{4}~\text{m/s}^2\) | 2. | \(\dfrac{9}{2}~\text{m/s}^2 \) |
| 3. | \(9~\text{m/s}^2\) | 4. | \(36~\text{m/s}^2\) |

| 1. | \(27~\text{m/s}\) | 2. | \(3~\text{m/s}\) |
| 3. | \(8~\text{m/s}\) | 4. | \(\dfrac{27}{8}~\text{m/s}\) |

| 1. | \(\dfrac{27}{8}~\text{m/s}^2\) | 2. | \(\dfrac{9}{8}~\text{m/s}^2\) |
| 3. | \(\dfrac{3}{8}~\text{m/s}^2\) | 4. | zero |

| 1. | is positive and its magnitude increases with time |
| 2. | is negative and its magnitude increases with time |
| 3. | is positive and its magnitude decreases with time |
| 4. | is negative and its magnitude decreases with time |