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A balloon rases up with uniform velocity...

A balloon rases up with uniform velocity 'u'. A body is dropped from ballon. The time of descent for the body is given by is

A

`sqrt((2h)/g)`

B

`h=ut+1/2 gt^(2)`

C

`h=-ut+1/2 gt^(2)`

D

`-h=ut+1/2 gt^(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH SERIES-MOTION IN A STRAIGHT LINE-Exercise 1A
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  2. A body thrown vertically up with velocity u reaches the maximum height...

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  3. A balloon rases up with uniform velocity 'u'. A body is dropped from b...

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  4. In the above problem if body is thrown down with velocity 'u' the equa...

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  5. The displacement of a particle as a function of time is shown in the f...

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  6. From the top of a tower two bodies are projected with the same intital...

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  7. The velocity-time graph of a particle in one-dimensional motion is sho...

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  8. Which of the following options is correct for having a straight line m...

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  9. A uniformly moving cricket balls is hit with a bat for a very short ti...

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  10. A ball is thrown vertically upwards. Which of the following graph/grap...

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  11. The graph between the displacement x and time t for a particle moving ...

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  12. The x-t graph shown in figure represents.

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  13. Figures (i) and (ii) below show the displacement - time graphs of two ...

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  14. The displacement time graph of moving particle is shown below. Th...

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  15. An object is moving with a uniform acceleration which is parallel to i...

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  16. Which of the following graph represents uniform motion

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  17. Which of the following velocity-time graphs shows a realistic situatio...

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  18. The area under acceleration-time graph gives

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  19. Consider the motion of the tip of the minute hand of a clock. In one h...

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  20. Which of the following velocity-time graphs represent uniform motion

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