they fly because of all the nitrogen gas that is held in the back so when it goes up the nitrogen makes it go higher and faster and even easier to explode.... and it depends on how much nitrogen there is so it can go up to 50 ft high or higher....
Short answer: It depends
Long answer: It depends on the humidity, wind speed/direction, air pressure, type of ground, presence of barriers, background noise levels and the sound power of the fireworks.
It depends on the background noise. On a quiet night, they can usually be heard 10s of miles / kilometers away.
the answers is at least 5 meters away from fire works
Fair enough that you don't cause harm to yourself or other around you.
5 meters?
Eris is far, far away; it is yet too early to have detailed data on that.Eris is far, far away; it is yet too early to have detailed data on that.Eris is far, far away; it is yet too early to have detailed data on that.Eris is far, far away; it is yet too early to have detailed data on that.
frequncy
Depends on the Hz that the sound is measured by.
Check your oil level-could be the valvetrain.
A Greats Guest in the 4 books myselfs in the mystery in the far far away.
From 10 meters away .
200 kHz
"Hear" They can HEAR something up to 5 miles away
a lynx can hear a prey from 65 metres away
almost instantly.
25 miles away
ultrasonic
2 miles
Possibly up to a mile or two away.
yes they can, they can actually hear people from really far away
What does mean when you can hear crow from far away
they can hear more than 1 mile