Chapter 4 Answer Key: Vertical Motion
4.1 Vertical Motion in One Direction
1. (i) – 24.5 m/s (ii) – 30.6 m
2. (i) – 20 m (ii) 2.0 s
3. (i) – 29.4 m/s (ii) – 44.1 m
4. (i) 24.2 m/s
5. (i) 9.6 s (ii) – 93.8 m/s
6. (i) – 58 m/s
7. (i) – 39 m/s (ii) – 78 m
8. (i) – 8.5 m (ii) 1.3 s
9. (i) 3.30 s (ii) 32.4 m/s
4.2 Vertical Motion that Changes in Direction
1. (i) – 19.6 m/s (ii) 4.00 s
2. (i) 0.10 m/s (ii) – 15 m/s
3. (i) 40 m/s (ii) 80 m
4. (i) 7.3 m (ii) 2.5 s
4.3 Vertical Motion (these questions take more time to solve)
1. (i) 49 m/s (ii) – 44.1 m
2. 22 m
3. Maximum of 3 drops