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Let A, B, C, D be points on a vertical l...

Let A, B, C, D be points on a vertical line such that AB = BC = CD. If a body is released from position A, the times of descent through AB, BC and CD are in the ratio.

A

`1:sqrt3-sqrt2:sqrt3+sqrt2`

B

`1:sqrt2-1:sqrt3-sqrt2`

C

`1:sqrt2-1:sqrt3`

D

`1:sqrt2:sqrt3-1`

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