1. | \(1:1:1:1\) | 2. | \(1:2:3:4\) |
3. | \(1:4:9:16\) | 4. | \(1:3:5:7\) |
A stone is released from an elevator going up with an acceleration \(a.\) The acceleration of the stone after the release is:
1. \(a\) upward
2. \((g-a)\) upward
3. \((g-a)\) downward
4. \(g\) downward