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![[Post New]](/templates/default/images/icon_minipost_new.gif) 5 Feb 2008 20:55:36 IST
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at A :momentum =mv(i)
at B:momentum =-mv(i)
therefore 2mv=2or mv=1.....(1)
F(A)=mv^2/r (j)
F(B) =-mv^2/r(j)
2mv^2/r=8...........(2)
and u have angular speed of the position vector = v/r.....(3)
Solve and get the answer
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