Textbook Questions
| 1. | Law of conservation of momentum Difficulty: medium | 
                                    
                                    5
                                 | 
| 2. | Recoil velocity Difficulty: hard | 
                                    
                                    5
                                 | 
| 3. | Velocity of the object Difficulty: hard | 
                                    
                                    5
                                 | 
Practice Questions
| 1. | Problem based on law of conservation of momentum Difficulty: medium | 
                                    
                                    4
                                 |