Question

Give a step by step description of the physics and mathematics needed to calculate the trajectory of a water bottle rocket. In addition, if the location of the landing of a water bottle rocket could be controlled, what is the physics and mathematics needed to establish control?

Answer 1

Usually water bottle rockets can achieve range of around 35-40 metres but it's range can be controlled and extended upto 80-90 metres by applying some design techniques. The pressure should be high and volume should be minimum with optimum sized nozzle. At last using the normal projectile method of kinematics the angke maintained should be 45° to achieve the maximum range. This is a great example of mordern day science in which mathematics and physics are involved equally upto good extent.