Mechanics > Kinematics > 2-D > Projectile Motion DCS# 1D60.20

SIMULTANEOUS FALL

simultaneous fall apparatus

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.