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A body is thrown up with a velocity 40 ...

A body is thrown up with a velocity `40 ms ^(-1).` At same time another body is dropped from a height 40 m. Their relative acceleration after `1.3` seconds is

A

4 g

B

g/2

C

2 g

D

zero

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The correct Answer is:
D
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AAKASH SERIES-MOTION IN A STRAIGHT LINE -EXERCISE -II
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  2. A body is thrown up with a velocity 29.23 "ms"^(-1) distance travelled...

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  3. A body is thrown up with a velocity 40 ms ^(-1). At same time another...

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  4. A stone is dropped into a well of 20 m deep. Another stone is thrown d...

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  5. A body is projected with a velocity 50 "ms"^(-1). Distance travelled i...

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  6. In above problem ratio of distance traveled in first second of upward ...

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  7. A body is projected vertically up with u. Its velocity at half its max...

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  8. A body projected up reaches a point A in its path at the end of 4th se...

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  9. A stone is projected vertically up from the ground with velocity 40 ms...

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  10. A body is projected vertically up with velocity 98 "ms"^(-1). After 2 ...

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  11. The distance travelled by a body during last second of its total fligh...

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  12. A stone is thrown vertically up from a bridge with velocity 3 ms^(-1)....

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  13. A bullet fired vertically up from the ground reaches a height 40 m in ...

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  14. A boy throws n balls per second at regular time intervals. When the fi...

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  15. A stone is dropped freely, while another thrown vertically downward wi...

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  16. A body is throw up with a velocity 'u'. It reaches maximum height 'h'....

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  17. A person in lift which ascents up with acceleration 10 ms^(-2) drops a...

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  18. A body is projected up with velocity u. It reaches a point in its path...

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  19. A particle is projected from the ground at angle such that t(1) time i...

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  20. A stone thrown vertically up with velocity v reaches three points A, B...

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