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A ball dropped from the top of tower fal...

A ball dropped from the top of tower falls first half height of tower in 10 s. The total time spend by ball in air is `["Take "g=10m//s^(2)]`

A

14.14 s

B

15.25 s

C

12.36 s

D

17.36 s

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The correct Answer is:
A
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AAKASH INSTITUTE ENGLISH-MOTION IN A STRAIGHT LINE-ASSIGNMENT (SECTION - B)
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