Total momentum of gun and bullet before firing is

A gun weighing 10 kg fires a bullet of 30 g with a velocity of 330 ms^(-1) . With what velocity does the gun recoil? What is the combined momentum of the gun and bullet before firing and after firing?

A gun weighing 8 kg flies a bullet 40 gm wih a velocity 400 m/s. With what velocity does the gun recoil? What is the resultant momentum of the gun and the bullet before firing and after firing ?

A gun weighing 4 kg fires a bullet of 80 g with a velocity of 120 ms^(-1) . With what velocity does the gin recoil? What is the combined momentum of the gun and bullet before firing and after firing?

A gun weighing 9kg fires a bullet of 30g with a velocity of 300m//s What is the recoil velocity of the gun? What is the combined momentum of gun and the bullet before and after firing ?

What is the total momentum of the bullet and the gun before firing?

What is the total momentum of the bullet and the gun on firing?

(a)What is the total linear momentum of a bullet and the gun on firing? (b)Which law can account for swimming ?

The momentum of a bullet of mass 20 g fired from a gun is 10 kg.m/s. The kinetic energy of this bullet in kJ will be :