1. Particle collision: Speed of Q post-collision, direction of motion of Q.
2. Motorbike acceleration: Find the motorbike′s acceleration and distance traveled in the fifth second.
3. Tractor and block motion: Determine the resistance force on the block and use of inextensible cable.
4. Block on rough plane: Calculate frictional force and applied force for slipping.
5. Rod equilibrium: Reaction forces at supports and possible range of mass M.
6. Particle motion: Find the speed at t = 3.5 seconds given initial velocities at t = 1 and t = 4 seconds.