The escape velocity for a body projected vertically upwards

The escape velocity for a body projected vertically upwards from the surface of earth is 11 km/s. If the body is projected at an angle of 45° with the vertical, the escape velocity will be

  1. 11/√2 m/s
  2. 11√2 km/s
  3. 22 km/s
  4. 11 km/s

Answer

The escape velocity of a body does not depend on the angle of projection from earth. It is 11 km/sec.

The correct option is D.