Answer:
For
the first stone and
As we know
(1)
i.e., first stone would take 3.16 s to reach the ground.
(1)
For the second stone, the time taken by second stone to
reach the ground is one second less than that taken by the first stone as both
the stones reach the ground at the same time. i.e., for the second stone,
For the second stone,
and
As
or
(1)
i.e., the second stone was thrown downward with a speed of
12.1
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