momentum is gained by force
force is mass and acceleration
the cube has mass
the cube has acceleration
where is the flaw? "nuh uh it's just sitting there." not on the exit side, then it's moving. it was sitting still before entering, that's in the past

and before somebody who didn't play the game says this pic isn't how it works, this is literally how you destroy the neurotoxin plant

>>713532420
You had to bump it.