Question

9.
5.
(3) 55
(4) 60
A ball is allowed to fall from top of a building. If t, is
1
time taken to fall first th of its height and tz is time
4
taken to fall last 1th of its height then,
4
tz/t, is
(1
)
√3 - 2
√3-2
1
(2)
√3-√2
1
1
√2-3
(3)
(4)
2-3
1
1
Abortiolo io​

Answer 1

Explanation:

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