--It's not that one Chuck Norris roundhouse kick is the exact equivalent of 500 photon torpedoes impacting the hull, it's that 500 photon torpedoes is roughly the equivalent of one Chuck Norris roundhouse kick impacting the hull.
--The Klingons did not come by their bumpy heads naturally. Chuck Norris repeatedly RHK'd Kahless in the head.
--A ship travelling warp 9.5 is straining its engines. A ship travelling warp 9.9 had help from a Chuck Norris RHK.
--The formula for matter/anti-matter mixture is always 1:1, or 1 Chuck Norris RHK.