what information might you be able to find from the gun and bullets found at the crime scene?

Explanation:

A crime scene is a location where evidences relating to the crime can be found. The bullets and guns can be useful evidences which can be used to link the criminal with the crime.

Over the gun and bullets fingerprints of the culprit can be found. The gun and bullets may exhibit the class and individual characteristics which can be observed and analyzed.

The class characteristics will include the name of the maker, make and model, design which could be common to many guns and bullets from the same manufacturing company.

The individual characteristics will include the features develop due to wear and use of the gun and the bullet. The barrel of the gun may contain trace amounts of gun shot residues, these will also be present on the surface of the fired bullets.

This is also required to be find out that the bullet can be fired from the gun obtain from the scene of crime or not. The test bullet can be fired from the same gun so as to determine whether the bullet found at the crime scene was fired from the same firearm by comparing the diameter of the barrel with that of the size of the bullets. The striation marks, breech face marks, firing pin marks can be found over the surface of the surface of the bullets generated due to the firing process from gun.

the minimum amperage that the current in this wire would have to have so that its weight is completely supported by the magnetic force due to earth's field, assuming that no other forces except gravity act on it