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

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Solution:

Mass of block
Mass of block
Acceleration of after the insect falls,

Acceleration of the insect
The two objects separate with a relative acceleration of

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