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The escape velocity for a body projected...

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

A

`11sqrt(2)km//s`

B

`22km//s`

C

`11km//s`

D

`(11)/(sqrt(2)) km//s`

Text Solution

Verified by Experts

The correct Answer is:
C
Work is done against gravitational force which is conservative force.
`therefore` Escape velocity is independent of angle of projection.
Thus correct choice is (c ).
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