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![[Post New]](/templates/default/images/icon_minipost_new.gif) 15 Aug 2007 15:01:42 IST
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Let total dist = h
And total time = T
Given u = 0
a = g
h = g/2(T)^2...............(1)
Lets analyse the first half of motion
u = 0
s = h/2
a = g
v^2 = 0 + hg
this will be the initial velo for the second half
So for second half
u = (hg)^1/2
s = h/2
t = 1
a = g
From second eqn of motion
h/2 = (hg)^1/2 + g/2
Get h's value from this eqn and put it in (1), u will get the answer
Rate if this helps u...
Cheers!!!!!
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