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How do i calc this speed?

Arceus0x

Arceus0x

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The situation i will be talking about happens here
www.webtoons.com

GOSU - Ep. 12 - The rosy-cheeked sword devil So Hong (2)

When his master dies, Gang Yong pledges to avenge his teacher at all costs. After training his martial arts skills in seclusion, Gang Yong sets off to hunt down the traitors and make them pay! But when he gets to town, he discovers they're... already dead? Well, what's he supposed to do now?!
www.webtoons.com www.webtoons.com

Two kids fight over some water and the water spills.
Before the water moves even a few centimeters, an assasin slashes at a guy and in that moment the other one manages to grab him and tell him 5 words. After that the assasin jumps back towards a tree. By that moment the water seemingly moved a few inches and nobody, neither the kids who were a distance away nor the old man who had this whole thing happening in front of him could see nothing.
Basically this happened in what you may as well call a split second.

The problem is the speed, how do i calc it? Idk how fast water flies, best i can do is assumptions.
 
Figure out the water free-fall speed and timeframe (Free fall acceleration is 9.8 m/s^2, find the distance between the water drop and the ground, figure out how long it'd take for the water drop to hit the ground based on its mass and whatnot, I forgot the formula so don't hound me LOL, and that's the timeframe you use), figure out how far the assassin moved with his sword slash (Arm and blade angle shenanigans) within that timeframe.

Then basically you "speed= distance / time" that mofo and you're dialed.
 
KLOL506 said:
Figure out the water free-fall speed and timeframe (Free fall acceleration is 9.8 m/s^2, find the distance between the water drop and the ground, figure out how long it'd take for the water drop to hit the ground based on its mass and whatnot, I forgot the formula so don't hound me LOL, and that's the timeframe you use), figure out how far the assassin moved with his sword slash (Arm and blade angle shenanigans) within that timeframe.

Then basically you "speed= distance / time" that mofo and you're dialed.
Click to expand...
It's moving semi-horizontaly doe
 
Alternatively, you could calculate how far the dude moved back from the ground as he jumped back because the water was still effectively frozen, could get better values using that.

The jumping part would be much easier, since it's basic ang-sizing.
 
From what I can tell given the distance, the angsizing one would probably be the best one to do in this case since the other movements seem way smaller than the assassin jumping back to that tree.

Arceus0x said:
Yeah they'd do it... In a few millenia that is
Click to expand...
99% of the calc requests thread can confirm this lol
 
Ftw I also recalled the crater feat, with like 20% of rock pulverization as a low ball.

Got nice 7B results.

Anyways, I have a hard time believing that this feat is anything lower than Hypersonic.

Everyone and their mother were frozen.
 
Rikimarox2 said:
Ftw I also recalled the crater feat, with like 20% of rock pulverization as a low ball.

Got nice 7B results.

Anyways, I have a hard time believing that this feat is anything lower than Hypersonic.

Everyone and their mother were frozen.
Click to expand...
They weren't exactly frozen, the water was still moving based on the scene. At the beginning the water was just outside the bottle but by the time that scene ended, the water was a bit away from the bottle.
 
AbaddonTheDisappointment said:
They weren't exactly frozen, the water was still moving based on the scene. At the beginning the water was just outside the bottle but by the time that scene ended, the water was a bit away from the bottle.
Click to expand...
I understood it as the effect just wore off, since the background color just went to white mid way through, which seems to indicate everything going back to normal.

But I can understand why people wi think that. If we do decide to calculate it like that, I recall seeing a calculation for the time frame on another forum, and I think it was around 0.08 seconds to 0.16? One of them.
 
Rikimarox2 said:
snip.
Click to expand...
Hey, in the crater can you try to see what result you get if you change the dirt for soil, since soil is natural grounds while dirt is ground that has been moved, so the most likely it was soil than dirt imo.

Some differences:
  • the soil is what you can generally find on the surface of the earth. Dirt, on the other hand, is soil that has been taken out of its natural environment.
  • If it is soil, you can plant on it. If it is dirt, you can’t
 
Rikimarox2 said:
Pretty sure it doesn't change? When I meant dirt in the blog, I meant soil.
Click to expand...
Dirt is probably less solid... I think. I mean if i punch dirt it will become flat but if i punch soil there's gonna be a small mark and that's it
 
Bumpo!

Any updates on this? Also, can't we just divide the speed of free fall by 0.001 and get the speed of Gang, or does that not work? Probably not the best method, but eh.
 
Assuming a free fall speed of 9.81 m/s, dividing that by 0.001, that would give us a speed of 9810 m/s, aka hypersonic.

Granted, this method should probably be only used as a last resort if we couldn't calc it any other way.
 
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