Drag and drop the terms onto the image to label the schematic of a bullet.
Drugi mogući odgovor:
primer
propellant
extracting groove
copper jacket
lead core
brass cartridge case
The spiral pattern cut into the bore consists of raised areas called __________ and depressions called __________.
Drag and drop the terms onto the image to label the schematic of a bullet.
Explain why GSR cannot be used to connect a suspect to a weapon used in commission of a crime.
A firearm is discharged 500 feet away from a target (as shown in the figure below). The bullet travels at a speed of 750 ft/sec when ejected from the barrel.
How long does the bullet take to reach the target?
How far does the bullet fall while it is airborne?
Calculate the entry angle of the bullet that made this hole (see show your work)!
Count how many lands/grooves are shown on each barrel cross-section!
Calculate the height above the car!
Categorize the following breechface impression!
Categorize the bullets as left twist or right twist.
LEFT
RIGHT
Label the cartridge casings as centerfire or rimfire.
Examine the following bullet and note its dimensions:
- 6 lands/grooves
- cut rifling
- groove width = 0.037 - 0.041 inches
- land width = 0.188 - 0.190 inches
Check the "show your work" section and select all of the possible firearm manufacturers from the list below:
