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## Homework Statement

Hello All !

I have this question which I cant seem to get the correct ans to.. maybe Im missing something.. (Please refer to attachment)

## Homework Equations

POtential energy = mass x g x h

## The Attempt at a Solution

ok initial amt of energy = m x g x h

final energy state =( mgh/4 + mgh/4 )= mgh/ 2

so mgh - mgh/2 = mgh/2 (my ans)

apparently correct ans is mgh/4

help , pls ? thanks !