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A ballon rises from rest on the ground w...

A ballon rises from rest on the ground with acceleration g/8. A stone is dropped when ballon is at a height of 39.2m
The taken by stone to reach ground is

A

2 sec

B

4 sec

C

6 sec

D

3 sec

Text Solution

Verified by Experts

The correct Answer is:
B
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Knowledge Check

  • A ballon rises from rest on the ground with acceleration g/8. A stone is dropped when ballon is at a height of 39.2m Velocity of stone when it strikes ground is

    A
    2g m/s
    B
    4g m/s
    C
    3g m/s
    D
    5g m/s

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    A
    3 sec
    B
    4 sec
    C
    5 sec
    D
    7 sec

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