A rifle of mass 5 kg fires a bullet of mass 40 g. The bullet leaves the barrel of the rifle with a velocity 200 m/s. If the bullet takes 0.004 s to leave the barrel, calculate the following: (i) recoil velocity of the rifle and (ii) the force experienced by the rifle due to its recoil.
The muzzle velocity of a gun is the velocity of bullet when it leaves the barrel . The muzzle velocity of one rifle with a short barrel is greater than the muzzle velocity of the another rifle that has an longer barrel . In which rifle is the acceleration of the bullet larger ? Explain your reasoning