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From a point on the ground at a distance...

From a point on the ground at a distance 2m from the foot of a vertical wall, a ball is thrown at an angle of `45^@` of which just clears the top, of the wall and afterward strikes the ground at a distance 4m on the other side. The height of the wall is

A

2/3 m

B

3/4 m

C

1/2 m

D

4/3 m

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The correct Answer is:
D
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AAKASH SERIES-RIVISION EXERCISE-MOTION IN A PLANE (OBLIQUE PROJECTION)
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  6. A body is projected with an angle theta . The maximum height reached ...

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  7. A body is projected horizontally from the top of a tower with a veloci...

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  8. A body is projected at an angle theta so that its range is maximum. I...

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  9. The path of a projectile is given by the equation y = ax - bx^2 , wher...

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  10. Two balls are projected simultaneously in same vertical plane from the...

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  11. A body of mass 2kg is projected from the ground with a velocity 20ms^(...

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  12. A projectile has initially the same horizontal velocity as it would ac...

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  13. A body of mass m1, projected vertically upwards with an initial veloci...

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  14. The maximum distance to which a man can throw a ball by projecting it ...

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  15. A body projected at 45^@ with a velocity of 20 m/s has a range of 10m...

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  16. Two seconds after projection, a projectile is moving at 30^@ above th...

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  17. A stone is projected from the top of a tower with velocity 20ms^(-1) ...

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  18. A cricket fielder can throw the cricket ball with a speed v0 . If the ...

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  19. A boy can throw a stone up to a maximum height of 10m. The maximum hor...

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  20. A particle is projected from the ground with an initial speed of v at ...

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