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A stone is projected from the ground wit...

A stone is projected from the ground with a velocity of `14ms^(-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 -II
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  2. A body is projected with velocity u such that its horizontal range and...

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  3. A stone is projected from the ground with a velocity of 14ms^(-1) one ...

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  4. The height y and horizontal distance x covered by a projectile in a t...

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  5. A body is projected at an angle 30^(@) to the horizontal with speed of...

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  6. A ball is projected obliquely with a velocity 49 ms^(-1) strikes the g...

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  7. The potential energy of a projectile at maximum height is 3/4 times k...

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  8. Two bodies are thrown from the same point with the same velocity of 50...

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  9. A gun fires a bullet at a speed of 140 ms^(-1). If the bullet is to hi...

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  10. A body is projected with velocity 24 ms^(-1) making an angle 30^(@) wi...

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  11. A particle is thrown with a velocity u at an angle theta from the hori...

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  12. The equation of trajectory of a projectile is y = 10 x - ((5)/(9)) x^(...

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  13. The equations of motion of a projectile are given by x = 36 metre and ...

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  14. An object is projected with a velocity of 20 ms^(-1) making an angle o...

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  15. For a projectile the ratio of maximum height reached to the square of ...

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  16. The speed of a projectile at its maximum height is (3sqrt(3))/(2) time...

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

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  18. A person throws a bottle into a dustbin at the same height as he is 2m...

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  19. A body is projected at angle 30^(@) to horizontal with a velocity 50 m...

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  20. In the above problem range of body is m. [g = 10 ms^(-2)]

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