Since h1 likes to point out his old computation of the Leviathan punch using nothing but his assumed values, I hereby present a corrected version using corrected values (using the calculation methodology he provided of F=MA) using timestamped evidence-based research instead of h1 biased-math.
As a comparison, here is h1's math and evidence-methodology (aka. practically none):
Originally posted by h1a8
I mathematically proved that the leviathan punch was under 200 tons of force. That's assuming the leviathan weighed 1000 tons.[B]For those who are not adept in physics, here you go.
Note: The Leviathan is probably somewhere between 200-500 tons. Let’s just say 1000 tons for the sake of argument. That way, no one should have a problem.
How much force does it take to stop a 1000ton object moving at 20m/s in 10 seconds?
Force = change in momentum/ change in time
= (1000ton * 20m/s) /(10s)
= (907185kg * 20m/s) /(10s)
= 1.81e6 N
= 204 tons of force
So assuming Hulk wasn’t bracing (allowing the concrete to supply the pushing or stopping force) then its a 204 ton feat at the most.
But the reality is that the concrete was supplying the majority of the stopping force as Hulk’s arm was extended through the majority of the feat (he did give a little push here and there though). So the feat is significantly less than 204 tons.
[/B]
NOTE: I am not a physicist so anyone with a correction (except h1 since I don't trust you and you'll just lie, obfuscate or try to muddy the waters whenever you can), feel free to chime in.
I've edited the below quotes of mine to make them a bit more to-the-point rather than include parts where I was reminding h1 why I don't particularly trust his math. Also added further corrections, clarifications and updates to values on the post.
Originally posted by Nibedicus
The sudden deceleration occured exactly 1:17-1:18 wheras the Leviathan was moving at 20 m/s (value provided by h1) prior to it and suddenly slowed to (based on Hulk's starting distance and distance traveled from 1:18-1:28) around 1 m/s (this number will be further corrected below).https://www.youtube.com/watch?v=vzvSM5nTi0s
Originally posted by Nibedicus
Actually, reviewing the video and running it over and over again, (using the signpost and car as frames of reference @ 1:19-1:20) it looks closer to about 4m/s within the first 2 seconds then drops off to 1m/s @ 1:20 and beyond.Basis: Car is about 5m in length. Hulk started at 1m behind car and street sign was around 1 car length @ 1:18 and ended at around a little less than 2 car lengths @ 1:20 behind the sign. Speed drastically drops off at 1:20 til full stop while the Leviathan's tail gets whipped into the air. This is the low end.
If we use Hulk as the basis (who is around 2.5 meters in height, according to some numbers), the lamp post is about under 3 hulk distance, 2.8 it looks like from the lamp post. Seems to be a discrepancy of about 33% give or take.
Have been trying to get the right velocity of the Leviathan. Funny enough the 20 m/s guesstimatge isn't so far off.
At exactly 0:59, Iron Man was chased by the Leviathan down a street and crossed (what looks like) about 6 car lengths (30m) from 0:59-1:00.
So a range from 20-30 m/s (can actually go higher than 30m/s since the Leviathan looks like it crossed an intersection with a gap larger than 2 car lengths) is as close as I can get it from the video.
So ending velocity of 4-6m/s from 20m/s-30m/s.
Originally posted by Nibedicus
Edit. From the top view @ 1:22 it actually looks like 1 (so 4-5m not 6) car's distance is the more accurate measurement based on Hulk's position relative to the street sign.
So breaking it down:
Assumption: Leviathan weighs in at 1000 tons. If you disagree with this weight multiple the below answer by the % you think the actual weight weighs in relation to the assumed weight.
Thus, a computation using extracted evidence-based values covered by time-stamps (see above for details):
Starting speed (0:59-1:00): 30m/s
Time (1:17-1:18): 1 second*
Ending speed (1:19-1:20, 1:22): 5m/s
*-this is a lowball value as punches tend to last a lot shorter than a second, so value below can go much higher depending on how long a punch would last. Someone feel free to provide me with punch-physics/data.
F=MA
=(1000 tons) * (5 m/s-30 m/s)/(1s)
=(907185kg *25m/s)/(1s)
=22,679,625 kgm/s^2
=2,312.68 ton-force
NOTE: Value can go down slightly (percentile) depending on how heavy the Leviathan is and how fast it was going. Value can go up greatly (multiplicative) based on the time a punch manages to transfer its energy and the physics behind it relative to the 1 second I used.