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Game Math.
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BloodRain
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Does 1 Newton = 1 Joule/cm?

quote: (post)
Originally posted by Morridini
Why did you set the moment of inertia I equal to the mass? Surely it must be something else, especially since you rotate around one edge and not the axis.

l was the load, I thought that would be the load/mass that moves on the pivot... appears I didnt quite grasp that calc to well.


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Old Post Jul 26th, 2011 09:01 PM
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Burning thought
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Its per meter, not cm iirc Bloodrain.


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Old Post Jul 26th, 2011 09:14 PM
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Sorry to double post but this is what Morridini and I have come up with so far;

At first I thought you just turned the Newtons 1.868MN into mass (100g=1N?) but Morridini pointed out this was simply in relation to gravity and pointed out I was better off just adding the force shown previously to the force created by Raziels body moving at speed.

Just to be clear, the number 0.000002064512 meters squared is the estimated area of Raziels two very claw tips on games vs, 0.0032 inches squared or 2mm squared. Pressure = force/area in meters squared so I made sure all the measurements were correct as I understood.




-------------------------------Raziels weight+MN force (Morridinis formula)-------------------------

previous known force; 1868000 Newtons

Raziels rough weightx acceleration= mass; 72.5747792 kg x 50 acceleration= 3628.73896 N

This force added to previous force= 1871628.73896 N

Pressure;

1871628.73896N/ 0.000002064512 (meters squared)= 906571983577.71715543431086862174 pascals. Equivalent to 9065719.835777171 bar (roughly 9 million, equivelant to almost 3x the Earths core pressure per 0.0032 inch squared. Also equel to 65 743.5776 tons per 0.0032 inch squared.


-------Square inches-------

There are 322.58 ,0.0032 inches squared (or 2mm squared) in a square inch. Therefore, 9065719.835777171 bar x 322.58 means Kain has 2924419904.62499982118 bar (2.9 billion bar, roughply 800 times the earths core pressure) of resistance to pressure per square inch. Or 21207563 tons (21.2 million tons) per square inch of force.



------Square meter----------



How many 0.0032 inch squared are there in 1 full square meter? = 1 550.0031 (square inches in a meter)/0.0032= 484375.96875, 0.0032's

Over a square meter? = 9065719.835777171 bar x 484375.96875= 4.3 trillion bar per square meter. A square meter of Kains top skin layer can take pressures equel to 17.5 times the suns core pressure. Equel to 32871788393.4453 tons (32.8 billion tons) per square meter.


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Last edited by Burning thought on Jul 29th, 2011 at 08:23 AM

Old Post Jul 29th, 2011 08:20 AM
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BloodRain
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..So. Have been asked to get a second opinion on using the deceleration of acceleration when getting the force.


(current velocity - initial velocity) / time it took = -acceleration ie deceleration.

For instance, in the thread a character catches an object of X kg weight moving at 11m/s. The character only moved 40cm in the opposite direction of the weight to bring the object to a complete halt. Basically being brought to a stop in 0.0363636364 seconds, as that's how long it takes 11m/s to cover 0.4m.


That's (0m/s - 11m/s)/ 0.0363636364s = -302.5 m/s2 acceleration ie a 302.5 m/s2 deceleration.

F=X*(302.5+gravity)


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Old Post Aug 22nd, 2011 11:44 PM
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I was curious, concering the previous math on Kain. Is there a way I could calculate the heat due to friction on Kains chest at the tip of raziels claws? would the high forces/pressures slicing acrss Kains chest create high heat?


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Old Post Sep 27th, 2011 08:14 PM
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ScreamPaste
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0.0000000000085344

Leaving this number here for a future calculatation. It's the total surface area of 4 feet of molecules in square meters.


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Old Post Oct 6th, 2011 05:55 AM
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dadudemon
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quote: (post)
Originally posted by ScreamPaste
0.0000000000085344

Leaving this number here for a future calculatation. It's the total surface area of 4 feet of molecules in square meters.


That doesn't make sense.


Did you mean "4 molecules"?


Also, which molecules? Some molecules have different cross-sectional areas. Some Long Chain Amino acids and can super duper long. Some are so big they are called "supermolecules".


Some molecules are single atoms (noble gases). Some molecules are isomers and can vary their cross-sectional area.



Specifcs, man. SPECIFICS! laughing


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Old Post Oct 6th, 2011 06:54 AM
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Also note that a chainswords blades themselves are quite tiny, the sharp edge may be monomolcular but the blade itself is like an inch or so deep meaning even as sharp as they are, they still need to saw into objects to create any damage and the mechanism is responsible for a lot of the power, a space marine just hitting something with it may do little considering how a chainsaw works.


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Old Post Oct 6th, 2011 10:30 AM
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ScreamPaste
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quote:
That doesn't make sense.
Was tired.

It's a 4 foot long stretch a single molecule wide using a very basic number. IE, the surface area of a monomolecular blade.


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Old Post Oct 6th, 2011 11:06 AM
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NOt been in here for a little while, at the moment I am trying to find out how much force kains Tk has and I have thrown some numbers, admittedly fairly hastilty on the following;

Using this,

http://www.youtube.com/watch?v=zc_HM2vaTfU#t=2m21s

For the feat and the following wiki;

http://en.wikipedia.org/wiki/Ultimate_tensile_strength

and assuming the numbers of breaking marble which I have assumed the stone to be based on its appearance and how its used are in the region of square meters I calculated the following;

It requires 15 megapascals to break a square meter of marble, I dont know how to take into account the volume but tbh I dont know what the source is measuring in but since pressure is calculated mostly by meters I thought that was a fair guess.

Kain smashes roughly about a square meter, and more in thickness/volume with his TK throw of Raziel and it shatters into sveral piecies. Therefore, using a pressure to force calculator I found Kain would have to create roughply 1500 tons of force across the square meter to shatter it like that.


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Old Post Dec 17th, 2011 01:31 AM
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BloodRain
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UTS is pulling an object apart, opposite to compression where its crushing something. Not sure if theres another term for this but it seems to just be impact force.

Dunno the formula to scale damage to its needed force, but Ive seen 50mph cars do similar damage to stone and thats around 10 tons of force.


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Old Post Dec 17th, 2011 02:59 AM
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not sure about a car doing the same at least not without smashing itself but maybe your right about the UTS vs impact stuff. Ill look it up more, maybe Mirrodini and Dadumon will know more.

Also, using Tk to launc his sword, even 10 tons of force would allow him to throw it at Mach 100+


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Last edited by Burning thought on Dec 17th, 2011 at 06:36 AM

Old Post Dec 17th, 2011 06:21 AM
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BloodRain
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Actually checking the wiki page it says pretty much what I said; "is the maximum stress that a material can withstand while being stretched or pulled before necking (...) Tensile strength is the opposite of compressive strength and the values can be quite different."
I dont like coincidences >->

Examples of car damage on walls


I believe that that only works for strength, not speed. Like how the force of Link's strength would allow him to lift 60,000 tons but wouldn't allow him to throw his sword at Mach 18,000. That'd require that level of speed.


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Old Post Dec 17th, 2011 08:06 PM
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I dont know what the first one was made of and the second is brick. Not thta impressive.

Force can be contributed to acceleration. Just use X force, find out the mass and then you can throw a weapon at ridiculous speed. Your own speed is irrelevent, the force you produce gives the object your throwing acceleration of massive levels. In this case, mach 100 with Kains TK, or mach 2k if he just threw it.

Also we know how far someone stronger than Link or his equel throws a sword, a few meters from Ganon. So how much force Link can make is irrelevent.

I dont know why I never thought of Kain using his TK to sort of saber throw his reaver....also, CC seemed to belive that Kain uses TK to create his "non" movement when he attacked moebius, if thats the case he could accerlerate himself to great speeds as well.


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Last edited by Burning thought on Dec 17th, 2011 at 10:18 PM

Old Post Dec 17th, 2011 10:16 PM
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ScreamPaste
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Oh for the love of God.

TKing something the weight of a man now let's Kain TK his sword at Mach 2k?


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Old Post Dec 17th, 2011 10:20 PM
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Burning thought
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No, creating Tk force enough to shatter marble>weight of a man=2kg sword--->mach 100+

Kain using Raziels force can throw his sword at mach 2k


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Old Post Dec 17th, 2011 10:22 PM
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ScreamPaste
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FFS.

You realize that's a very ****ing brittle material, right? You also realize "TK to throw shit at speeds we haven't seen" allows someone like Ganondorf to do some really, really asinine stuff? Great, if it comes time to debate Ganondorf against Kain in my thread my new argument is that Ganon TK's grains of sand through Kain's face.

Math is to quantify existing feats, not create new ones.


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Old Post Dec 17th, 2011 10:26 PM
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Burning thought
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Ganon does not have Tk that can break marble, also its not brittle lol...a square meter of marble, possibly thick marlbe is a decently strong stone. You also realise Tk that can crack that can launch an extremely light weapon like the reaver miles. Also Ganon would need to be able to create the force, to accelerate sand to a high enough speed/force to pierce Kains superior durability without simply melting/destroying the sand into particles so your analogies are poor there.

More or less the same thing in this example, if someone has X TK force, then they can do X with said force, its like argueing people with high strength can only use the strength they have shown in the exact feat, e.g. Link can only lift big pillars with his GG strength.....no logic...


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Old Post Dec 17th, 2011 10:29 PM
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quote:
a square meter of marble, possibly thick marlbe is a decently strong stone
That it is, when you set a weight on it. When you strike it sharply the results are different.

http://www.agu.org/pubs/crossref/20...1GL049169.shtml

http://en.wikipedia.org/wiki/Impact_(mechanics)

quote:
Link can only lift big pillars with his GG strength


Do I seriously have to remind you that you've actually claimed this before?


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Old Post Dec 17th, 2011 10:32 PM
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Thier talking about numbers as high a 100 MPa apprently creating enough pressure to creature microfractures, so? My figuire on marble simply stated 15MPa. I also used BR's estimate on a car impact doing similair things.

Also Kain being able to strike with enough force quiclky does not stop him from launching his sword with Tk at high speed. He launched Raziel at it, a square meter of about an inch thick of what I assumed is marble cracked apart in piecies. Thats more than enough pressure/force to launch a sword at speeds far faster than any common Games vs character could ever hope to percieve even if he was only using 10% of the force I calculated.

Well now your claiming it so it seems, only my logic was that being magical gauntlets they seemed to just work on this one thing and hes not moved anything else unique to them, they looked exactly the same every time, as if its the block that was also unique. Your approach is that physical force apprently disapears depending on what your doing.


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Old Post Dec 17th, 2011 10:43 PM
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