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The second derivative of position vector...

The second derivative of position vector with respect to time is

A

velocity

B

acceleration

C

force

D

displacement

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The correct Answer is:
A, C
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FULL MARKS-KINEMATICS-ADDITIONAL QUESTIONS SOLVED (I.MULTIPLE CHOICE)
  1. A 100 m long train is travelling from North to South at a speed of 30m...

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  2. The first derivative of position vector with respect to time is

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  3. The second derivative of position vector with respect to time is

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  4. Slope of displacement-time graph at any instant gives :

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  5. The slope of velocity-time graph gives

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  6. The position vector of a particle is vecr=4t^(2)hati+2thatj+3thatk. Th...

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  7. The position vector of a particle is vecr=4t^(2)hati+2thatj+3hatk. The...

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  8. An object is moving in a straight line with uniform acceleration a, th...

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  9. An object is moving in a straight line with uniform acceleration, the ...

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  10. An object is moving in a straight line with uniform acceleration, the ...

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  11. For free falling body, its initial velocity is

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  12. An object falls from a height h (hltltR).the speed of the object when ...

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  13. An object falls from a height h (hltltR).the speed of the object when ...

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  14. In the absence of air resistance, horizontal velocity of the projectil...

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  15. In the horizontal projection, the range of the projectile is

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  16. In oblique projection, maximum height attained by the projectile is

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  17. In oblique projection time of flight of a projectile is

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  18. In oblique projection, maximum horizontal range of the projectile is

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  19. In oblique projection horizontal range of the projectile is

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  20. One radian is equal to

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