>>1390494If science had a word with either Goku or Superman both would end up like a picture of misery.
Just for the hell of it:
Leveling a medium city with a Ki blast should require a power output similar to a 150kt nuclear device, that's approximately 6.3e14 Joule.
1 kg of sugar contains 3775 calories, that's approximately 1.6e7 Joule. That means Goku has to devour no less than 1e7 (that's 10,000,000) kilogram or ten thousand metric tons of pure sugar to gather enough energy to blast a medium city to smithereens.
And don't even think about starting to talk about Supermans ability to gather energy from the sun. The sun has a total power output of 3.846e26 Watt. Sounds much, right?
Well, how much surface area does superman expose to the sun at any given time? Now while i don't know that i can say for sure the surface area of the silhouette of a typical human (and superman is usually depicted as looking like a typical human) is less than two square meters. So how much solar energy can two square meters collect at a distance of 150 million kilometers from the sun?
The surface area of a sphere is 4*Pi*r^2. r is 150,000,000,000 meter, that's 1.5e11. So the energy Superman can collect from the sun is less than 2720 Joule per second. Not that much.
The energy required to lift something is m * g * h. Assuming a height of 2 meters (just slightly above a typical human) that means X * ~10m/s² * 2m = 2720 Joule, that means X = 136 kg, give or take. So with the energy provided from the Sun Superman can lift a weight of approximately 136 kg to a height of approximately 2 meters. For the record: the world record in weight lifting is 228 kg.
