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The density of the air at sea level is 1200 g/cubic meter. At 10 km, the air density is still 800 g/m3. I know this all seems impossibly too dense, but the atmosphere is very much denser than you think. That's why airplanes can fly and meteors and spacecraft can burn up when they hit the atmosphere. And that's why tornados and hurricanes can have such power. And a rain cloud can dump 100 million liters of water on your head. The "average cloud" (air and water) as specified above would be a cubic kilometer in volume, and using the density above would weigh about 1 x 109 kilograms, or one million metric tonnes. The question may only apply to the WATER in the cloud, which would consist of 0.5 g/cubic meter (at a relative humidity of 100%, it would have to be very cold air) and have a transport weight of 0.5 x 109 grams, or 500,000 kg more than dry air. Even this thin cloud has a half-million liters of water, enough to fill 4 large backyard pools.
It depends on the size of the coil and the burn rate.
weight of person * percentage of burn% * 4=
hmm...if you burn your foot then my suggestion is clean the burn with hydrogen peroxide, but rinse with cool or warm water, and then u apply the peroxide. If it is small then maybe you just oput dabs of toothpaste on it...it is what i do. and then put a bandage if desired.
Aha! A sparkler burns top to bottom only because you light the top. If you lit the bottom, it would burn bottom to top. If you lit the middle, it would burn both directions from the middle.