https://www.youtube.com/watch?v=5iPH-br_eJQ&pp=ygULbnVrZSBhIGNpdHk%3D

Q1. What happens within 2 kilometers in less than a second from detonation?

Within 2 kilometers in less than a second from detonation, the temperature reaches several million degrees Celsius, causing everything to vaporize and creating a fireball.

Q2. What does the shockwave of the explosion do?

The shockwave of the explosion can cause buildings to collapse and severely injure people.

Q3. What are the survivors exposed to after the initial explosion?

After the initial explosion, survivors are exposed to radiation, which can cause acute radiation sickness.

Many will succumb to the symptoms of acute radiation sickness in the days and weeks after exposure.

Q4. What obstacles does help face in trying to get to the survivors?

Emergency services and assistance from neighboring cities face obstacles such as blocked roads, destroyed infrastructure, and a lack of resources and personnel. Airport runways are cluttered with debris, roads are destroyed, and railroads can be warped in a city after a nuclear strike.

Q5. How has the world changed in recent years?

In recent years, world leaders have been openly threatening to use nuclear weapons and have been keeping their nuclear forces on high alert.

Additional Reading: Simulation of a Nuclear Blast in a Major City

https://www.youtube.com/watch?v=Z3RzNEzJyzo&pp=ygULbnVrZSBhIGNpdHk=