The cause of the explosion was unknown, but a local utility had received a call from a resident about a strong odor of gas shortly before the midday blast, according to DeKalb County Fire and Rescue Deputy Fire Chief Melvin Carter.
Similarly, What is called explosion?
An explosion is a rapid expansion in volume associated with an extremely vigorous outward release of energy, usually with the generation of high temperatures and release of high-pressure gases. Supersonic explosions created by high explosives are known as detonations and travel through shock waves.
Where was the explosion in Atlanta today? At least two people were injured Sunday after an explosion rocked an apartment complex in an Atlanta suburb. The explosion happened in Dunwoody, Georgia, in DeKalb County, around 1:30 p.m. Sunday, police said.
Thereof, How hot is an explosion?
A primary form of energy from a nuclear explosion is thermal radiation. Initially, most of this energy goes into heating the bomb materials and the air in the vicinity of the blast. Temperatures of a nuclear explosion reach those in the interior of the sun, about 100,000,000° Celsius, and produce a brilliant fireball.
Do explosions accelerate?
An explosion, be it chemical, nuclear, or whatever, deposits a lot of energy into a small volume. This will raise the local pressure which in turn exerts forces on objects surrounding it. And, as you know, a la Newton: acceleration = force / mass.
What is supernova blast?
A supernova is the biggest explosion that humans have ever seen. Each blast is the extremely bright, super-powerful explosion of a star. A supernova is the biggest explosion that humans have ever seen. Each blast is the extremely bright, super-powerful explosion of a star.
What happened in Dunwoody Georgia?
AN apartment complex in Dunwoody, Georgia, collapsed after a gas line allegedly exploded, reportedly injuring at least four people and leaving two people unaccounted for.
How fast do explosions travel?
Gas explosions can either deflagrate or detonate based on confinement; detonation velocities are generally around 1600 m/s to 1800 m/s but can be as high as 3000 m/s. Solid explosives often have detonation velocities ranging beyond 4000 m/s to 10300 m/s. Detonation velocity can be measured by the Dautriche method.
How hot is a fireball?
At around 3500 Scoville Heat units, we dare you to eat more than one—how much hot can you handle?
Do cars explode when on fire?
It’s very rare to see a car explode when it catches fire. For a car to blow up, it needs the perfect proportion of oxygen, gas, and fire. Cars run on liquid gas which will typically not explode when set on fire.
What fuels are explosive?
High Explosives Liquids, solids or mixtures in which detonation waves can be initiated by electrical or chemical means. Common examples are TNT, nitroglycerin, PETN, lead azide, and mixtures of ammonium perchlorate and fuel oil.
How fast are explosions in mph?
At 50 seconds after the explosion, when the fireball is no longer visible, the blast wave has traveled about 12 miles. It is then traveling at about 784 miles per hour , which is slightly faster than the speed of sound at sea level.
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Overpressure.
| Peak overpressure | Maximum Wind Speed |
|---|---|
| 10 psi | 294 mph |
| 5 psi | 163 mph |
| 2 psi | 70 mph |
What is the fastest explosion?
Octanitrocubane has a detonation velocity of 10,100 m/s, making it the fastest known explosive.
Will there be a supernova in 2022?
Yes, it is true that somewhere there is likely to be a supernova during 2022. It is likely to be in another galaxy. Supernova that are visible to the naked eye on Earth occur, on average, once every 200–400 years. The most recent one was supernova 1987a.
Can a supernova destroy a galaxy?
Supernovas are created during the last moments of a star’s life. These gigantic explosions can wipe out galaxies and the planets inside them.
Where do supernovas take place?
A supernova happens where there is a change in the core, or center, of a star. A change can occur in two different ways, with both resulting in a supernova. The first type of supernova happens in binary star systems. Binary stars are two stars that orbit the same point.
What is the crime rate in Dunwoody GA?
The Dunwoody GA crime rate for 2018 was 157.7 per 100,000 population, a 23.46% increase from 2017. The Dunwoody GA crime rate for 2017 was 127.73 per 100,000 population, a 19.38% decline from 2016. The Dunwoody GA crime rate for 2016 was 158.43 per 100,000 population, a 15.68% decline from 2015.
Can you survive an explosion?
The human body can survive blasts of sudden pressure of 20-40 psi, but it’s not the only thing receiving that pressure. The pressure radiates outward from the blast in all directions. When it leaves a vacuum behind it, air from the surrounding atmosphere moves in to fill that vacuum.
What does it feel like to be near an explosion?
They feel a jolting sensation that is not like anything they’ve ever experienced before in their lives. It can be much more severe than that and produce unconsciousness and damage to the body. Some of that is related to other aspects of the explosion obviously.
Can you outrun an explosion?
The simple answer is: No, you cannot outrun an explosion. But it may depend on how close you are to the explosion when you start running. And how fast you are. A C-4 explosion, for example, is virtually instant.
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