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A stone is projected from the ground wit...

A stone is projected from the ground with a velocity of `14 ms ^(-1).` One second later it clears a wall 2m high. The angle of projection is `(g = 10 ms ^(-2))`

A

`45^(@)`

B

`30^(@)`

C

`60^(@)`

D

`15^(@)`

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The correct Answer is:
B
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AAKASH SERIES-MOTION IN A PLANE-EXERCISE-2 (Oblique project
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  15. The speed of a projectile at its maximum height is sqrt(3) //2 times i...

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  16. The velocity at the maximum height of a projectile is half of its init...

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  18. A body is projected at angle 30° to horizontal with a velocity 50 ms^(...

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  19. A body is projected at angle 30° to horizontal on a planet with a velo...

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