Accurate measurement of the position and velocity of a falling object

Madhur Garg, Kalimullah, P. Arun, F. M. S. Lima
2007 American Journal of Physics  
A simple setup was assembled to study the motion of an object while it falls. The setup was used to determine the instantaneous velocity, terminal velocity and acceleration due to gravity. Also, since the whole project was done within $20 it can easily be popularized.
doi:10.1119/1.2423039 fatcat:h2tpm4paxjcszga4o4fiq3ml6u