# Quick Answer: Can an electromagnet stop a bullet?

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Yes. A magnetic field will produce eddy currents in a conductive (metal) projectile. These eddy currents will resist motion within the magnetic field with a force proportional to the square of the speed of the projectile.

## How much magnetic force stops a bullet?

The average force (in N) times the stopping distance (in m) needs to equal the initial energy of the bullet. If the initial energy is 600 J (typical of pistol bullets) and you can exert a force of 10 N, you need to exert the force for a distance of 60 m to stop the bullet. Exerting a magnetic force over 60 m is hard.

## Can magnets be weaponized?

A magnetic weapon is one that uses magnetic fields to accelerate or stop projectiles, or to focus charged particle beams. … Coilguns, on the other hand, have a barrel made up of coils of magnetic material. The projectile is placed between the coils, which have a pulse of electricity passed through them.

## What stops a bullet?

Bullets easily puncture most walls, doors, and floors. However, brick, concrete, and cinder blocks effectively stop most common calibers. But each bullet takes out chunks, so it can only protect you for so long. … Stacks of paper are surprisingly good at stopping bullets.

## Does a railgun use magnets?

The railgun doesn’t use permanent magnets. Maybe I should also point out that there is a difference between a railgun and a coilgun. A coilgun uses a series of electromagnetic coils to accelerate a ferromagnetic projectile.

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## How do you make a super strong magnet?

Putting a piece of iron or steel inside the coil makes the magnet strong enough to attract objects. The strength of an electromagnet can be increased by increasing the number of loops of wire around the iron core and by increasing the current or voltage.

## Can a Bible stop a bullet?

A large enough calibre (powerful enough) bullet would go through most any Bible or even a large multi-volume Encycloped end to end — perhaps a 40mm cannon round. Even a small book MIGHT stop less powerful rounds (but don’t count on it.)

## Can rubber stop bullets?

Not all rubber is made the same. … Rubber can stop some rounds (depending on the thickness) but usually not. The rubber allows the bullets to pass through it and then strike a hard surface. Then its energy and original shape are lost so it safely comes to rest between the rubber and the hard surface (usually steel).

## Are Diamonds bulletproof?

It doesn’t seem unreasonable to wonder whether diamonds are bulletproof, since diamond is the world’s hardest natural material. Diamonds are not however bulletproof in general, as while they are hard, they are not particularly tough and their brittleness will cause them to shatter when struck by a bullet.

## How strong can magnets be?

There is no firmly-established fundamental limit on magnetic field strength, although exotic things start to happen at very high magnetic field strengths. Magnetic fields could get strong enough to create black holes.

## Can you shoot a magnetic field?

No, it is not possible to create magnetic waves without an electric field being present.

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