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No the full speed of the bullet would be when it is fired, once the bullet travels along the barrel and exits the muzzle it is already slowing
Bullet trajectory is the path the bullet travels once it leaves the barrel. Bullets travel on a long arch and cross the line of sight twice. Once shortly after leaving the barrel and once again on target assuming the sights are properly zeroed. This is the trajectory of the bullet. Bullet velocity is the speed at which the bullet is traveling along it's trajectory.
bullet
The barrel guides and accelerates the bullet out of the rifle, and imparts spin to the bullet to stabilize the bullet in flight.
Yes, a bullet must be the same diameter as the barrel (unless it is a shotgun).
Depends on the speed of the bullet, and the length of the barrel. In the case of a .22 rifle, firing a bullet at 1200 feet per second, from a 16 inch barrel, it will take 1/75th of a second for the bullet to leave the barrel.
Time taken by a bullet to leave barrel is 10-3 Seconds.
The rifling in the barrel. These are grooves cut on the interior of the barrel that twist around and cause the bullet to spin as it passes down the barrel. The spin stabilizes the bullet and promotes accuracy.
Barrel contains the force of expanding gasses, as it pushes bullet out of the barrel.
The gun barrel is the metal part that the bullet comes out of.
the bullet rises because of the rifling in the grooves of the barrel
See the link below titled BULLET