The escape velocity for a body projected...

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

`11//sqrt2 km s^-1`

`11 km s^-1`

`11sqrt2 km^-1`

22 km `s^-1`

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