Answers

2016-03-13T22:12:51+05:30
S=1/2at^2
s= 1/2 x 10 X 2.5 X 2.5
s = 1/2 X 10 X 6.25
s= 62.5/2
s= 31.25m
But I think the question is incomplete as the sound also takes time to reach our ear after reaching the bottom.
0
you answer is wrong
,wrong answer
just read the thing i wrote after the answer
question is right but your answer is wrong
this is not that easy question understand