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An object falls from a height h (hltltR)...

An object falls from a height h `(hltltR)`.the speed of the object when it reaches the ground is

A

`(1)/(2)"gt"^(2)`

B

`sqrt(2gh)`

C

`sqrt((h)/(2g))`

D

`sqrt((2g)/(h))`

Text Solution

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The correct Answer is:
B
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FULL MARKS-KINEMATICS-ADDITIONAL QUESTIONS SOLVED (I.MULTIPLE CHOICE)
  1. For free falling body, its initial velocity is

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

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

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

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

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

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

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

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  9. In oblique projection horizontal range of the projectile is

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  10. One radian is equal to

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  11. The relation between linear velocity and angular velocity of a body mo...

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  12. Centripetal acceleration is given by

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  13. In uniform circular motion

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  14. In non-uniform circular motion, the resultant acceleration is given by

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  15. In non-uniform circular motion, the resultant acceleration makes an an...

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  16. A compartment of an uniformly moving train is suddenly detached from t...

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  17. object is dropped from rest. Its v -t graph is

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  18. A cyclist starts from the center O of a circular park of radius 1 km, ...

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  19. Which of the following graph represents the equation y = mx-C?

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  20. the displacement in metres of a body varies with time t in second as y...

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