Question

A bullet is fired from a gun if the gun recoils freely the kinetic energy of a gun will be

Answer 1

kinetic energy will half MV squared

Answer 2

$\huge \color{lime}♡ \mid \:ᴬᴺˢᵂᴱᴿ \mid♡$

If the rifle recoils freely, the kinetic energy of rifle is more than that of the bullet. Reason : In the case of rifle bullet system the law of conservation of momentum violates.