Answers to optional, additional review problems:
1. 21 m/s
2. 2.2 m/s north
3. vf = 0.86 m/s
4. vf = 2.7 m/s
5. change in momentum = 1.12 kg m/s, F = 12.4 N
1. 21 m/s
2. 2.2 m/s north
3. vf = 0.86 m/s
4. vf = 2.7 m/s
5. change in momentum = 1.12 kg m/s, F = 12.4 N