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In the arrangement shown in the figure t...

In the arrangement shown in the figure the system is in equilibrium. Mass of the block A is M and that of the insect clinging to block B is m. Pulley and string are light. The insect loses contact with the block B and begins to fall. After how much time the insect and the block B will have a separation L between them.

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The correct Answer is:
`t = sqrt((2(M-m)L)/(Mg))`
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