1. | \(16U\) | 2. | \(2U\) |
3. | \(4U\) | 4. | \(8U\) |
1. | \(3000~\text{m}\) | 2. | \(2800~\text{m}\) |
3. | \(2000~\text{m}\) | 4. | \(1000~\text{m}\) |
1. | along the axis of rotation |
2. | along the radius, away from centre |
3. | along the radius towards the centre |
4. | along the tangent to its position |