Question

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

A

B

C

D

Easy
Solution
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Correct option is C)

Escape speed of a body from Earth's surface is given by: 
This expression is obtained by conservation of energy and doesn't involve in which direction the body is thrown/projected.
So, irrespective of the angle of projection, escape speed of the body from Earth's surface remains constant i.e. km/s

Solve any question of Gravitation with:-
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