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Muzzle Velocity confusion

Physics Asked on December 21, 2021

Does muzzle velocity refer to the velocity of the bullet with respect to ground or the velocity with respect to the gun?

2 Answers

Muzzle speed of the bullet means velocity of the bullet with respect to the velocity of the gun.

Answered by Ashish on December 21, 2021

It is the velocity with respect to the end of the gun barrel. However, it is probably an imprecise term because if you want it down to the mm/s you would have to subtract the recoil speed of the gun. In practice people just measure the velocity with respect to a closely spaced meter on the bench and assume the gun recoil is negligible, as well as the deceleration of the bullet once it has exited and during measurement.

Answered by user56903 on December 21, 2021

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