Mechanics > Kinematics > 2-D > Projectile Motion
DCS# 1D60.20
SIMULTANEOUS FALL
APPARATUS
ball launcher
202-14-B
two brass balls, one with hole
202-14-B
tall ringstand
201A
two aluminum plates
202-14-B
DESCRIPTION
Release launcher arm to project one ball horizontally at the same time as the other ball is dropped from rest from the same height. Balls land on aluminum plates so they can be heard to land at the same time.
NOTES
Launcher must be level.