The following questions are from the group work during the week of 12/7 to
12/11. Include worked out solutions for each
problem. These may be screenshots from
your PearDeck, but must be your own work
(you have to write it out, you can’t just
submit someone else’s screenshot)

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.

because if the tool that you are using is not balanced it there would be false mass.