A stone falls freely such that the distance covered by it in the last second of its motion is equal to the distance covered by it in the first 
. It is in air for 
s.
Text Solution
Verified by ExpertsThe correct answer is:
B
Distance covered by the stone in 
is
Since, distance travelled in nth second is given by
As 
]
equating eq 
(i) & (ii)
is also last second here 
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