Mechanics > Linear Momentum > Conservation DCS# 1N30.60
ASTROBLASTER
astroblaster
APPARATUS
astroblaster 105-12-B
DESCRIPTION
Removable red ball should be on rod.  Hold astroblaster by tip of rod, release, and hope that it is still oriented vertically when it strikes the ground.  Bottom balls stop dead while top ball rebounds to several times original height.