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A balloon at rest on the ground is risin...

A balloon at rest on the ground is rising upward with acceleration `(g)/(8)`. A stone is dropped from the balloon when it is at height `H.` Show that the time taken by the stone to touch the ground is `1/2 sqrt((H)/(g))`.

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CHHAYA PUBLICATION-ONE - DIMENSIONAL MOTION -EXAMINATION ARCHIVE with solutions (WBCHSE )
  1. What will be the nature of velocity-time curve for a uniform motion?

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  2. A balloon is rising upwards from rest with acceleration (g)/(8). A sto...

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  3. A car at rest accelerates at a constant rate alpha for sometime after ...

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  5. The equation of displacement of a particle along the X-axis is x = 40 ...

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  6. In the s-t graph of a particle with uniform acceleration at time t mak...

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  7. Which of the following figures cannot be speed-time graph ?

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  8. A ball is dropped from a height of a building while another is thrown ...

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  9. A body is moving from rest with an acceleration a m.s^(-2) which is re...

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  10. A body is moving with uniform acceleration. Draw its (a) velocity -tim...

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  11. A car travelling on a straight road moves with a uniform velocity v(1)...

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  12. Establish the equation v^(2) =u^(2)+2fs by using graph where symbols u...

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  13. The displacement of a particle is directly proportional to the third p...

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  14. A bullet enters a block of wood with a velocity u. Its velocity decrea...

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  15. Under what condition is the average velocity of a moving particle equa...

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  16. The velocity (m.s"^(-1))-time (s) graph of a body is a straight line i...

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  17. At any instant the speeds of two identical cars with the same retardat...

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  18. The distance-time graph of a moving particle is given by x = 4t -6t^(2...

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  19. The distance-time graph of a moving particle is given by x = 4t -6t^(2...

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  20. A balloon at rest on the ground is rising upward with acceleration (g)...

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