When a speeding truck hits a stationary car, the car is deformed and heat is generated. what can you say about the kinetic energy of the system after the collision?

when it gains or loses electrons

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.