A bullet is fired from a gun. What will be the ratio of kinetic energy of bullet and gun in terms and their masses m & M respectively?
(1) \(\frac {M}{m}\)
(2) \(\frac {m}{M}\)
(3) both \(\frac {M}{m}\) and \(\frac {m}{M}\) are correct
(4) both \(\frac {M}{m}\) and \(\frac {m}{M}\) are incorrect
