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Motherglare's Roar (Fairy Tail)
Published by Tacocat in the blog Tacocat's blog. Views: 613
RH likes his trip gigatons so I'm gonna organize this. Plus, accepted calcs don't like RH's blog
http://www.narutoforums.com/blog.php?b=21137
I don't really mind using his radius of 14km.
2*atan(tan(70/2)*(770/189) = 141.364237292408
Ignore his 47px value and look at my 17px value.
2*atan(17/(770/tan(141.364237292408/2)))=7.207643128082
Plug those numbers into the Angsize calculator and we get...
1763.5m
Use these measurements to scale the last panel in the next scan, rather than the scaling that's already there. Ignore all lines but the red one.
Dunno if I really agree with scaling from two different panels, but whatever.
Blast radius
(446/55.9464)*1763.5=14058.474m
Height of rock mass
(97.94/55.9464)*1763.5=3087.19m
Length of rock
(13.03/55.9464)*1763.5=410.722m
Width of rock
(6/55.9464)*1763.5=189.13m
vellipsoid4/3)pi*r1*r2*r3
v4/3)pi*(410.722/2)*(189.13/2)^2
v=7692498.736 m^3
For density (rho) I'll use 2700kg/m^3.
m=v*rho
m=7692498.736*2700
m=20769746587.2 kg
PE=mgh
PE=20769746587.2*9.8*6773.223
PE=1378645627828226.54688 J
Now we calc the area of the cross section, which is an ellipse.
Aellipse=pi*r1*r2
A=pi*(410.722/2)*(189.13/2)
A=61009.613 m^2
Now the surface area of the blast.
SAsphere=4*pi*r^2
SA=4pi*(14058.474/2)^2
SA=620906543.5516 m^2
(1378645627828226.54688/61009.613)620906543.5516=
14030741213804284767 J
or about 3.35 gigatons.
The final number
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