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Home APSU Department of Physics ping pongc annon was able to shoot a ball through a piece of ¼-inch-thick plywood. APSU Department of Physics ping pongc annon was able to shoot a ball through a piece of ¼-inch-thick plywood.

APSU Department of Physics ping pongc annon was able to shoot a ball through a piece of ¼-inch-thick plywood.

APSU Department of Physics ping pongc annon was able to shoot a ball through a piece of ¼-inch-thick plywood.

APSU Department of Physics ping pongc annon was able to shoot a ball through a piece of ¼-inch-thick plywood.

APSU Department of Physics cannon fires a ping pong through a can.