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Explosion, cloud, Ap?
- Thread starter NIK_FARIS
- Start date
- 15,682
- 10,709
Get the speed and get the distance they actually traveled.
You also need to figure out the actual size and weight of the cloud. To do that you need distance to horizon and you need to know the height from which you are looking to do that.
Then figure out what type of cloud that is and get density.
Get volume of cloud via the size you got and the width of it would be the average for that type of cloud.
Finally put the weight and speed into a KE calculator and get the KE and if you want to, transfer it to tons of tnt
That is all
You also need to figure out the actual size and weight of the cloud. To do that you need distance to horizon and you need to know the height from which you are looking to do that.
Then figure out what type of cloud that is and get density.
Get volume of cloud via the size you got and the width of it would be the average for that type of cloud.
Finally put the weight and speed into a KE calculator and get the KE and if you want to, transfer it to tons of tnt
That is all
- 1,217
- 579
- Thread starter
- #3
It from the LN so it kinda hard to get clear picture. But it was free fall from around 7-12 km above the castle. I don’t know what kind of cloud it might be since it doesn’t really explain that. It just said that the sky always cover with clouds for all years long.
- 15,682
- 10,709
you'll probably need more context as otherwise you'd end up with a 4.8 kilometer radius for the cloud.
Also, rain clouds or storm clouds or just normal clouds? It all matters here
- 15,682
- 10,709
at minimum its a stratomulus cloud which is like 400 m thick.
So let's see, a density of 0.5 grams per cubic meter, an oval shape that is 400 m thick and 4800 in radius.
the volume is 1.93019e+10 cubic meters and so we get 9650950000 grams or 9650950 kg.
You said hundreds of km in less than 5 seconds right?
So let's say 200km per 5 seconds or 40km/s or 40000m/s
Using the kinetic energy calculator we get 7.72076E+15 joules or 1,845,305.927 tons of tnt - 1.845 megatons - Low 7-B
You should probably get more context since context could boost that rating further
So let's see, a density of 0.5 grams per cubic meter, an oval shape that is 400 m thick and 4800 in radius.
the volume is 1.93019e+10 cubic meters and so we get 9650950000 grams or 9650950 kg.
You said hundreds of km in less than 5 seconds right?
So let's say 200km per 5 seconds or 40km/s or 40000m/s
Using the kinetic energy calculator we get 7.72076E+15 joules or 1,845,305.927 tons of tnt - 1.845 megatons - Low 7-B
You should probably get more context since context could boost that rating further
- 1,217
- 579
- Thread starter
- #7
Thanks. I will try to find if there are more context.
- 32,811
- 38,013
Usually cloud horizon visibility is 20 km on good days, that's the radius for the cloud bare minimum. On bad visibility it's 5-10 km. Cloud Calculations page says as much
- 15,682
- 10,709
wait that doesn't make sense though, how can you see 20 km when you can only see 4.8km due to earth's curvature?
- 32,811
- 38,013
- 15,682
- 10,709
bruh but there's no implications that there are hills near the castle
- 32,811
- 38,013
Just going 30 meters above sea level increases the horizon distance to 20 km
- 15,682
- 10,709
- 10,502
- 11,574
One additional thing is that clouds are high above the ground. That means you can see them even if they are far beyond the horizon. For a 2000m high cloud you can theoretically see them from around 200km away while being at sea-level... well assuming nothing's in the way and perfect visibility conditions.
Wikipedia explains it well.
