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Ignore the title, I meant kick :|
Just something awesome I found online, I thought I'd share it with the base.
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Asked a physics major how powerful Goku’s kick was and this was his answer.*
“How much energy was in Goku’s kick? Well, slightly more than Frieza’s kinetic energy afterward. How, then, do we determine Frieza’s kinetic energy?*
It took roughly 100 meters for Frieza to stop; in that distance, he carved out a 20-meter-wide gash (again, rough estimate here; those trees look awfully small). Energy is force being applied over a given distance; since we know the compressive strength of concrete from before, we can calculate how much force 300 square meters of rock can exert before shattering. Multiply by 100 meters, and we come up with our kinetic energy on impact: 50 billion joules.*
That’s about 11 kilotons of energy, the same as a small nuke, packed into a single kick. For a better comparison, that’s like a 25 pound meteor hitting you in the face at 11 kilometers per second.*
Speaking of which, Frieza is humming along at a merry Mach 93, which raises the question of atmospheric drag. I don’t know if Toriyama thought about air resistance here....but if he did, a little differential calculus will tell us that Frieza’s speed just after being kicked was twice as high, or Mach 186. That alone would make the energy of the kick four times higher: 200 billion joules or a 50 kiloton nuke.*
Goku’s kick impacted the side of Frieza’s head with the force of a nuke, compressing a small portion of his skull to what should have been beyond the point of pulverization. That high-amplitude shockwave then traveled through his body with dramatic pressure as the momentum was distributed through his body.*
Well, I did it in my head, but here’s the rough estimate. If Frieza’s kinetic energy on impact was 50 billion joules, then we can calculate his speed with relative ease. Kinetic energy is half of mass times the square of velocity. Estimating Frieza’s mass at 100 kg gives a velocity of Mach 93.“
It took roughly 100 meters for Frieza to stop; in that distance, he carved out a 20-meter-wide gash (again, rough estimate here; those trees look awfully small). Energy is force being applied over a given distance; since we know the compressive strength of concrete from before, we can calculate how much force 300 square meters of rock can exert before shattering. Multiply by 100 meters, and we come up with our kinetic energy on impact: 50 billion joules.*
That’s about 11 kilotons of energy, the same as a small nuke, packed into a single kick. For a better comparison, that’s like a 25 pound meteor hitting you in the face at 11 kilometers per second.*
Speaking of which, Frieza is humming along at a merry Mach 93, which raises the question of atmospheric drag. I don’t know if Toriyama thought about air resistance here....but if he did, a little differential calculus will tell us that Frieza’s speed just after being kicked was twice as high, or Mach 186. That alone would make the energy of the kick four times higher: 200 billion joules or a 50 kiloton nuke.*
Goku’s kick impacted the side of Frieza’s head with the force of a nuke, compressing a small portion of his skull to what should have been beyond the point of pulverization. That high-amplitude shockwave then traveled through his body with dramatic pressure as the momentum was distributed through his body.*
Well, I did it in my head, but here’s the rough estimate. If Frieza’s kinetic energy on impact was 50 billion joules, then we can calculate his speed with relative ease. Kinetic energy is half of mass times the square of velocity. Estimating Frieza’s mass at 100 kg gives a velocity of Mach 93.“