 Since physics never works for the coyote, he uses it as a weapon by baiting the Road Runner's bird seed with iron pellets and mounting a bomb and a magnet on an old-fashioned clamp-on roller skate; however, the magnetic force is strong enough to separate the skate into two pieces, leaving the bomb close to the coyote.A puzzled Wile E. pokes his head up from his hiding place and is obliterated by the bomb.5.