Energy doesn't mean squat without a time component over which it's dissipated.
Stopping a car normally vs crashing a car. Skydiving with a parachute vs skydiving without a parachute.
For something like ship vs bridge you have to account for the crunch factor. USS Iowa going the same speed probably would've hit way harder despite having ~1/3 the tonnage.
Stopping a car normally vs crashing a car. Skydiving with a parachute vs skydiving without a parachute.
For something like ship vs bridge you have to account for the crunch factor. USS Iowa going the same speed probably would've hit way harder despite having ~1/3 the tonnage.