NEEDED ASAP PLEASE HELP WILL GIVE BRAINLIEST

firearm identification is the process of analyzing the bullets and cartridge cases left at a crime scene to determine if they came from a particular firearm. marks on the bullets and cartridges may be common to every firearm of that type. these are called class characteristics.

the duration of a photographic flash is related to an rc time constant, which is 0.100 μs for a certain camera.