The force of gravitation between two spherical bodies is Gm1 m2 /r2, where r is separation between their

r is the separation between the two spherical bodies

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.

i think it's 35 meters