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A body is projected horizontally from th...

A body is projected horizontally from the top of a tower with a velocity of 10m/s. If it hits the ground at an angle of `45^@` , the vertical component of velocity when it hits ground in m/s is

A

`10 sqrt2`

B

`5sqrt2`

C

5

D

10

Text Solution

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The correct Answer is:
D
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AAKASH SERIES-RIVISION EXERCISE-MOTION IN A PLANE (OBLIQUE PROJECTION)
  1. A projectile is given an initial velocity of (hati +2hatj) m/s, where...

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  2. A body is projected with an angle theta . The maximum height reached ...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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  17. A ball is projected with 20sqrt2 m/s at angle 45^@ with horizontal, th...

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  18. The direction of projectile at certain instant is inclined at angle a ...

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  19. Two bodies are projected from the same point in the directions making ...

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  20. If v1 and v2 be the velocities at the end of focal chord of projectile...

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