A gun of mass M fires a bullet of mass m with a horizontal speed V. The gun is fitted with a concave mirror of focal length f facing towards the receding bullet. Find the speed of separation of the bullet and the image just after the gun was fired.

A gun of mass m_1 fires a bullet of mass m_2 with a horizontal speed v_0 . The gun is fitted with a concave mirror of focal length f facing towards a receding bullet.Find the speed of separations of the bullet and the image just after the gun was fired.

A gun of mass m_1 fires a bullet of mass m_2 with a horizontal speed v_0 . The gun is fitted with a concave mirror of focal length f facing towards a receding bullet.Find the speed of separations of the bullet and the image just after the gun was fired.

A gun of mass M fires a bullet of mass m with a Kinetic energy E. The velocity of recoil of the gun is

A gun of mass M fires a bullet of mass m with a Kinetic energy E. The velocity of recoil of the gun is

A gun of mass M fires a bullet of mass m, with a Kinetic energy E. The total kinetic energy in the firing process is